@@ -9,12 +9,8 @@ Version 2.34
Major new features:
-* When _DYNAMIC_STACK_SIZE_SOURCE or _GNU_SOURCE are defined,
- PTHREAD_STACK_MIN is no longer constant and is redefined to
- sysconf(_SC_THREAD_STACK_MIN).
-
-* Add _SC_MINSIGSTKSZ and _SC_SIGSTKSZ. When _DYNAMIC_STACK_SIZE_SOURCE
- or _GNU_SOURCE are defined, MINSIGSTKSZ and SIGSTKSZ are no longer
+* Add _SC_MINSIGSTKSZ and _SC_SIGSTKSZ. When _SC_SIGSTKSZ_SOURCE or
+ _GNU_SOURCE are defined, MINSIGSTKSZ and SIGSTKSZ are no longer
constant on Linux. MINSIGSTKSZ is redefined to sysconf(_SC_MINSIGSTKSZ)
and SIGSTKSZ is redefined to sysconf (_SC_SIGSTKSZ).
deleted file mode 100644
@@ -1,7 +0,0 @@
-/* Don't define PTHREAD_STACK_MIN to sysconf (_SC_THREAD_STACK_MIN) for
- glibc build. */
-#if !defined _ISOMAC
-# undef __USE_DYNAMIC_STACK_SIZE
-#endif
-
-#include_next <bits/local_lim.h>
@@ -50,8 +50,8 @@
_LARGEFILE64_SOURCE Additional functionality from LFS for large files.
_FILE_OFFSET_BITS=N Select default filesystem interface.
_ATFILE_SOURCE Additional *at interfaces.
- _DYNAMIC_STACK_SIZE_SOURCE Select correct (but non compile-time constant)
- MINSIGSTKSZ, SIGSTKSZ and PTHREAD_STACK_MIN.
+ _SC_SIGSTKSZ_SOURCE Select correct (but non compile-time constant)
+ MINSIGSTKSZ and SIGSTKSZ.
_GNU_SOURCE All of the above, plus GNU extensions.
_DEFAULT_SOURCE The default set of features (taking precedence over
__STRICT_ANSI__).
@@ -98,8 +98,8 @@
__USE_FILE_OFFSET64 Define 64bit interface as default.
__USE_MISC Define things from 4.3BSD or System V Unix.
__USE_ATFILE Define *at interfaces and AT_* constants for them.
- __USE_DYNAMIC_STACK_SIZE Define correct (but non compile-time constant)
- MINSIGSTKSZ, SIGSTKSZ and PTHREAD_STACK_MIN.
+ __USE_SC_SIGSTKSZ Define correct (but non compile-time constant)
+ MINSIGSTKSZ and SIGSTKSZ.
__USE_GNU Define GNU extensions.
__USE_FORTIFY_LEVEL Additional security measures used, according to level.
@@ -143,7 +143,7 @@
#undef __USE_FILE_OFFSET64
#undef __USE_MISC
#undef __USE_ATFILE
-#undef __USE_DYNAMIC_STACK_SIZE
+#undef __USE_SC_SIGSTKSZ
#undef __USE_GNU
#undef __USE_FORTIFY_LEVEL
#undef __KERNEL_STRICT_NAMES
@@ -220,8 +220,8 @@
# define _DEFAULT_SOURCE 1
# undef _ATFILE_SOURCE
# define _ATFILE_SOURCE 1
-# undef _DYNAMIC_STACK_SIZE_SOURCE
-# define _DYNAMIC_STACK_SIZE_SOURCE 1
+# undef _SC_SIGSTKSZ_SOURCE
+# define _SC_SIGSTKSZ_SOURCE 1
#endif
/* If nothing (other than _GNU_SOURCE and _DEFAULT_SOURCE) is defined,
@@ -399,8 +399,8 @@
# define __USE_ATFILE 1
#endif
-#ifdef _DYNAMIC_STACK_SIZE_SOURCE
-# define __USE_DYNAMIC_STACK_SIZE 1
+#ifdef _SC_SIGSTKSZ_SOURCE
+# define __USE_SC_SIGSTKSZ 1
#endif
#ifdef _GNU_SOURCE
@@ -308,10 +308,10 @@ checks are applied. If defined to @math{3}, @theglibc{} may also use
checks that may have an additional performance overhead.
@end defvr
-@defvr Macro _DYNAMIC_STACK_SIZE_SOURCE
+@defvr Macro _SC_SIGSTKSZ_SOURCE
@standards{GNU, (none)}
If this macro is defined, correct (but non compile-time constant)
-MINSIGSTKSZ, SIGSTKSZ and PTHREAD_STACK_MIN are defined.
+MINSIGSTKSZ and SIGSTKSZ are defined.
@end defvr
@defvr Macro _REENTRANT
@@ -23,7 +23,6 @@
#include <stdio.h>
#include <stdlib.h>
#include <ucontext.h>
-#include <support/support.h>
#define N 4
#if __WORDSIZE == 64
@@ -37,8 +36,7 @@ typedef struct {
unsigned long guard[3];
} tst_context_t;
-static char *stacks[N];
-static size_t stack_size;
+static char stacks[N][2 * PTHREAD_STACK_MIN];
static tst_context_t ctx[N][2];
static volatile int failures;
@@ -81,7 +79,7 @@ fct (long int n)
exit (1);
}
- if (on_stack < stacks[n] || on_stack >= stacks[n] + stack_size)
+ if (on_stack < stacks[n] || on_stack >= stacks[n] + sizeof (stacks[0]))
{
printf ("%ld: on_stack not on appropriate stack\n", n);
exit (1);
@@ -111,7 +109,7 @@ tf (void *arg)
printf ("%d: %s: before makecontext\n", n, __FUNCTION__);
ctx[n][1].uctx.uc_stack.ss_sp = stacks[n];
- ctx[n][1].uctx.uc_stack.ss_size = stack_size;
+ ctx[n][1].uctx.uc_stack.ss_size = sizeof (stacks[n]);
ctx[n][1].uctx.uc_link = &ctx[n][0].uctx;
makecontext (&ctx[n][1].uctx, (void (*) (void)) fct, 1, (long int) n);
@@ -139,10 +137,6 @@ do_test (void)
pthread_t th[N];
ucontext_t mctx;
- stack_size = 2 * PTHREAD_STACK_MIN;
- for (int i = 0; i < N; i++)
- stacks[i] = xmalloc (stack_size);
-
puts ("making contexts");
if (getcontext (&mctx) != 0)
{
@@ -204,9 +198,6 @@ do_test (void)
exit (1);
}
- for (int i = 0; i < N; i++)
- free (stacks[i]);
-
return failures;
}
@@ -38,6 +38,11 @@
const size_t kNumThreads = 1024;
const size_t kNumHandlers = 1024;
+const size_t kStacksize =
+#ifdef PTHREAD_STACK_MIN
+ 0x20000 < PTHREAD_STACK_MIN ? PTHREAD_STACK_MIN :
+#endif
+ 0x20000;
static void *
threadfunc (void *unused)
@@ -61,12 +66,6 @@ do_test (void)
/* With default 8MiB Linux stack size, creating 1024 threads can cause
VM exhausiton on 32-bit machines. Reduce stack size of each thread to
128KiB for a maximum required VM size of 128MiB. */
- size_t kStacksize =
-#ifdef PTHREAD_STACK_MIN
- 0x20000 < PTHREAD_STACK_MIN ? PTHREAD_STACK_MIN :
-#endif
- 0x20000;
-
xpthread_attr_setstacksize (&attr, kStacksize);
for (i = 0; i < kNumThreads; ++i) {
@@ -17,7 +17,6 @@
<https://www.gnu.org/licenses/>. */
#include <fcntl.h>
-#include <unistd.h>
#include <support/check.h>
#include <support/support.h>
#include <sys/stat.h>
deleted file mode 100644
@@ -1,29 +0,0 @@
-/* __get_pthread_stack_min (). POSIX version.
- Copyright (C) 2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-/* Return sysconf (_SC_THREAD_STACK_MIN). */
-
-static inline long int
-__get_pthread_stack_min (void)
-{
-#ifdef PTHREAD_STACK_MIN
- return PTHREAD_STACK_MIN;
-#else
- return -1;
-#endif
-}
@@ -31,7 +31,6 @@
#include <sys/types.h>
#include <sys/uio.h>
#include <regex.h>
-#include <sysconf-pthread_stack_min.h>
#define NEED_SPEC_ARRAY 0
#include <posix-conf-vars.h>
@@ -570,7 +569,11 @@ __sysconf (int name)
#endif
case _SC_THREAD_STACK_MIN:
- return __get_pthread_stack_min ();
+#ifdef PTHREAD_STACK_MIN
+ return PTHREAD_STACK_MIN;
+#else
+ return -1;
+#endif
case _SC_THREAD_THREADS_MAX:
#ifdef PTHREAD_THREADS_MAX
@@ -108,8 +108,7 @@ sysdep_headers += sys/mount.h sys/acct.h \
bits/types/struct_semid64_ds.h \
bits/types/struct_semid64_ds_helper.h \
bits/types/struct_shmid64_ds.h \
- bits/types/struct_shmid64_ds_helper.h \
- bits/pthread_stack_min.h
+ bits/types/struct_shmid64_ds_helper.h
tests += tst-clone tst-clone2 tst-clone3 tst-fanotify tst-personality \
tst-quota tst-sync_file_range tst-sysconf-iov_max tst-ttyname \
new file mode 100644
@@ -0,0 +1,101 @@
+/* Minimum guaranteed maximum values for system limits. Linux version.
+ Copyright (C) 1993-2021 Free Software Foundation, Inc.
+
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+#ifndef ARG_MAX
+# define __undef_ARG_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+/* Have to remove ARG_MAX? */
+#ifdef __undef_ARG_MAX
+# undef ARG_MAX
+# undef __undef_ARG_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* We have no predefined limit on the number of threads. */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. At least two pages for systems with 64k
+ pages. */
+#define PTHREAD_STACK_MIN 131072
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
+
+/* Maximum tty name length. */
+#define TTY_NAME_MAX 32
+
+/* Maximum login name length. This is arbitrary. */
+#define LOGIN_NAME_MAX 256
+
+/* Maximum host name length. */
+#define HOST_NAME_MAX 64
+
+/* Maximum message queue priority level. */
+#define MQ_PRIO_MAX 32768
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX (2147483647)
deleted file mode 100644
@@ -1,22 +0,0 @@
-/* Definition of PTHREAD_STACK_MIN. Linux/aarch64 version.
- Copyright (C) 2021 Free Software Foundation, Inc.
-
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <https://www.gnu.org/licenses/>. */
-
-/* Minimum size for a thread. At least two pages for systems with 64k
- pages. */
-#define PTHREAD_STACK_MIN 131072
new file mode 100644
@@ -0,0 +1,99 @@
+/* Minimum guaranteed maximum values for system limits. Linux/Alpha version.
+ Copyright (C) 1993-2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+#ifndef ARG_MAX
+# define __undef_ARG_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+/* Have to remove ARG_MAX? */
+#ifdef __undef_ARG_MAX
+# undef ARG_MAX
+# undef __undef_ARG_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* We have no predefined limit on the number of threads. */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. We are free to choose a reasonable value. */
+#define PTHREAD_STACK_MIN 24576
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
+
+/* Maximum tty name length. */
+#define TTY_NAME_MAX 32
+
+/* Maximum login name length. This is arbitrary. */
+#define LOGIN_NAME_MAX 256
+
+/* Maximum host name length. */
+#define HOST_NAME_MAX 64
+
+/* Maximum message queue priority level. */
+#define MQ_PRIO_MAX 32768
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX (2147483647)
deleted file mode 100644
@@ -1,20 +0,0 @@
-/* Definition of PTHREAD_STACK_MIN. Linux/Alpha version.
- Copyright (C) 2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library. If not, see
- <https://www.gnu.org/licenses/>. */
-
-/* Minimum size for a thread. We are free to choose a reasonable value. */
-#define PTHREAD_STACK_MIN 24576
@@ -78,13 +78,7 @@
#define AIO_PRIO_DELTA_MAX 20
/* Minimum size for a thread. We are free to choose a reasonable value. */
-#undef PTHREAD_STACK_MIN
-#if defined __USE_DYNAMIC_STACK_SIZE && __USE_DYNAMIC_STACK_SIZE
-# include <unistd.h>
-# define PTHREAD_STACK_MIN sysconf (_SC_THREAD_STACK_MIN)
-#else
-# include <bits/pthread_stack_min.h>
-#endif
+#define PTHREAD_STACK_MIN 16384
/* Maximum number of timer expiration overruns. */
#define DELAYTIMER_MAX 2147483647
deleted file mode 100644
@@ -1,20 +0,0 @@
-/* Definition of PTHREAD_STACK_MIN. Linux version.
- Copyright (C) 2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-/* Minimum size for a thread. We are free to choose a reasonable value. */
-#define PTHREAD_STACK_MIN 16384
@@ -20,7 +20,7 @@
# error "Never include <bits/sigstksz.h> directly; use <signal.h> instead."
#endif
-#if defined __USE_DYNAMIC_STACK_SIZE && __USE_DYNAMIC_STACK_SIZE
+#if defined __USE_SC_SIGSTKSZ && __USE_SC_SIGSTKSZ
# include <unistd.h>
/* Default stack size for a signal handler: sysconf (SC_SIGSTKSZ). */
new file mode 100644
@@ -0,0 +1,99 @@
+/* Minimum guaranteed maximum values for system limits. Linux/IA-64 version.
+ Copyright (C) 1993-2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+#ifndef ARG_MAX
+# define __undef_ARG_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+/* Have to remove ARG_MAX? */
+#ifdef __undef_ARG_MAX
+# undef ARG_MAX
+# undef __undef_ARG_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* We have no predefined limit on the number of threads. */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. We are free to choose a reasonable value. */
+#define PTHREAD_STACK_MIN 196608
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
+
+/* Maximum tty name length. */
+#define TTY_NAME_MAX 32
+
+/* Maximum login name length. This is arbitrary. */
+#define LOGIN_NAME_MAX 256
+
+/* Maximum host name length. */
+#define HOST_NAME_MAX 64
+
+/* Maximum message queue priority level. */
+#define MQ_PRIO_MAX 32768
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX (2147483647)
deleted file mode 100644
@@ -1,20 +0,0 @@
-/* Definition of PTHREAD_STACK_MIN. Linux/IA-64 version.
- Copyright (C) 2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-/* Minimum size for a thread. We are free to choose a reasonable value. */
-#define PTHREAD_STACK_MIN 196608
new file mode 100644
@@ -0,0 +1,99 @@
+/* Minimum guaranteed maximum values for system limits. MIPS Linux version.
+ Copyright (C) 1993-2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <https://www.gnu.org/licenses/>. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+#ifndef ARG_MAX
+# define __undef_ARG_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+/* Have to remove ARG_MAX? */
+#ifdef __undef_ARG_MAX
+# undef ARG_MAX
+# undef __undef_ARG_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* We have no predefined limit on the number of threads. */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. At least two pages with 64k pages. */
+#define PTHREAD_STACK_MIN 131072
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
+
+/* Maximum tty name length. */
+#define TTY_NAME_MAX 32
+
+/* Maximum login name length. This is arbitrary. */
+#define LOGIN_NAME_MAX 256
+
+/* Maximum host name length. */
+#define HOST_NAME_MAX 64
+
+/* Maximum message queue priority level. */
+#define MQ_PRIO_MAX 32768
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX (2147483647)
deleted file mode 100644
@@ -1,20 +0,0 @@
-/* Definition of PTHREAD_STACK_MIN. MIPS Linux version.
- Copyright (C) 2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library. If not, see
- <https://www.gnu.org/licenses/>. */
-
-/* Minimum size for a thread. At least two pages with 64k pages. */
-#define PTHREAD_STACK_MIN 131072
new file mode 100644
@@ -0,0 +1,100 @@
+/* Minimum guaranteed maximum values for system limits. Linux/PPC version.
+ Copyright (C) 1993-2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <https://www.gnu.org/licenses/>. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+#ifndef ARG_MAX
+# define __undef_ARG_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+/* Have to remove ARG_MAX? */
+#ifdef __undef_ARG_MAX
+# undef ARG_MAX
+# undef __undef_ARG_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* We have no predefined limit on the number of threads. */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. At least two pages for systems with 64k
+ pages. */
+#define PTHREAD_STACK_MIN 131072
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
+
+/* Maximum tty name length. */
+#define TTY_NAME_MAX 32
+
+/* Maximum login name length. This is arbitrary. */
+#define LOGIN_NAME_MAX 256
+
+/* Maximum host name length. */
+#define HOST_NAME_MAX 64
+
+/* Maximum message queue priority level. */
+#define MQ_PRIO_MAX 32768
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX (2147483647)
deleted file mode 100644
@@ -1,21 +0,0 @@
-/* Definition of PTHREAD_STACK_MIN. Linux/PPC version.
- Copyright (C) 2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public License as
- published by the Free Software Foundation; either version 2.1 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, see <https://www.gnu.org/licenses/>. */
-
-/* Minimum size for a thread. At least two pages for systems with 64k
- pages. */
-#define PTHREAD_STACK_MIN 131072
new file mode 100644
@@ -0,0 +1,99 @@
+/* Minimum guaranteed maximum values for system limits. Linux/SPARC version.
+ Copyright (C) 1993-2021 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If
+ not, see <https://www.gnu.org/licenses/>. */
+
+/* The kernel header pollutes the namespace with the NR_OPEN symbol
+ and defines LINK_MAX although filesystems have different maxima. A
+ similar thing is true for OPEN_MAX: the limit can be changed at
+ runtime and therefore the macro must not be defined. Remove this
+ after including the header if necessary. */
+#ifndef NR_OPEN
+# define __undef_NR_OPEN
+#endif
+#ifndef LINK_MAX
+# define __undef_LINK_MAX
+#endif
+#ifndef OPEN_MAX
+# define __undef_OPEN_MAX
+#endif
+#ifndef ARG_MAX
+# define __undef_ARG_MAX
+#endif
+
+/* The kernel sources contain a file with all the needed information. */
+#include <linux/limits.h>
+
+/* Have to remove NR_OPEN? */
+#ifdef __undef_NR_OPEN
+# undef NR_OPEN
+# undef __undef_NR_OPEN
+#endif
+/* Have to remove LINK_MAX? */
+#ifdef __undef_LINK_MAX
+# undef LINK_MAX
+# undef __undef_LINK_MAX
+#endif
+/* Have to remove OPEN_MAX? */
+#ifdef __undef_OPEN_MAX
+# undef OPEN_MAX
+# undef __undef_OPEN_MAX
+#endif
+/* Have to remove ARG_MAX? */
+#ifdef __undef_ARG_MAX
+# undef ARG_MAX
+# undef __undef_ARG_MAX
+#endif
+
+/* The number of data keys per process. */
+#define _POSIX_THREAD_KEYS_MAX 128
+/* This is the value this implementation supports. */
+#define PTHREAD_KEYS_MAX 1024
+
+/* Controlling the iterations of destructors for thread-specific data. */
+#define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4
+/* Number of iterations this implementation does. */
+#define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS
+
+/* The number of threads per process. */
+#define _POSIX_THREAD_THREADS_MAX 64
+/* We have no predefined limit on the number of threads. */
+#undef PTHREAD_THREADS_MAX
+
+/* Maximum amount by which a process can descrease its asynchronous I/O
+ priority level. */
+#define AIO_PRIO_DELTA_MAX 20
+
+/* Minimum size for a thread. We are free to choose a reasonable value. */
+#define PTHREAD_STACK_MIN 24576
+
+/* Maximum number of timer expiration overruns. */
+#define DELAYTIMER_MAX 2147483647
+
+/* Maximum tty name length. */
+#define TTY_NAME_MAX 32
+
+/* Maximum login name length. This is arbitrary. */
+#define LOGIN_NAME_MAX 256
+
+/* Maximum host name length. */
+#define HOST_NAME_MAX 64
+
+/* Maximum message queue priority level. */
+#define MQ_PRIO_MAX 32768
+
+/* Maximum value the semaphore can have. */
+#define SEM_VALUE_MAX (2147483647)
deleted file mode 100644
@@ -1,20 +0,0 @@
-/* Definition of PTHREAD_STACK_MIN. Linux/SPARC version.
- Copyright (C) 2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If
- not, see <https://www.gnu.org/licenses/>. */
-
-/* Minimum size for a thread. We are free to choose a reasonable value. */
-#define PTHREAD_STACK_MIN 24576
deleted file mode 100644
@@ -1,39 +0,0 @@
-/* __get_pthread_stack_min (). Linux version.
- Copyright (C) 2021 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <https://www.gnu.org/licenses/>. */
-
-/* Return sysconf (_SC_THREAD_STACK_MIN). */
-
-static inline long int
-__get_pthread_stack_min (void)
-{
- /* sysconf (_SC_THREAD_STACK_MIN) >= sysconf (_SC_MINSIGSTKSZ). */
- long int pthread_stack_min = GLRO(dl_minsigstacksize);
- assert (pthread_stack_min != 0);
- _Static_assert (__builtin_constant_p (PTHREAD_STACK_MIN),
- "PTHREAD_STACK_MIN is constant");
- /* Return MAX (PTHREAD_STACK_MIN, pthread_stack_min). */
- if (pthread_stack_min < PTHREAD_STACK_MIN)
- pthread_stack_min = PTHREAD_STACK_MIN;
- /* We have a private interface, __pthread_get_minstack@GLIBC_PRIVATE
- which returns a larger size that includes the required TLS variable
- space which has been determined at startup. For sysconf here we are
- conservative and don't include the space required for TLS access.
- Eventually the TLS variable space will not be part of the stack
- (Bug 11787). */
- return pthread_stack_min;
-}