diff --git a/NEWS b/NEWS
index 8e72946c3f..f808cb476c 100644
--- a/NEWS
+++ b/NEWS
@@ -60,6 +60,11 @@ Major new features:
to call async-signal-safe functions (such as raise or execve). This function
is currently a GNU extension.
+* The functions posix_spawnattr_tcsetpgrp_np and posix_spawnattr_tcgetpgrp_np
+ have been added, enabling posix_spawn and posix_spawnp to set the
+ controlling terminal in the new process in a non race manner. These
+ functions are GNU extensions.
+
Deprecated and removed features, and other changes affecting compatibility:
* The function pthread_mutex_consistent_np has been deprecated; programs
diff --git a/include/unistd.h b/include/unistd.h
index 691405a945..2ecca10b34 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -172,6 +172,10 @@ extern int __truncate (const char *path, __off_t __length);
extern void *__sbrk (intptr_t __delta);
libc_hidden_proto (__sbrk)
+extern int __tcsetpgrp (int fd, __pid_t pgrp);
+libc_hidden_proto (__tcsetpgrp)
+extern pid_t __getpgrp (void);
+libc_hidden_proto (__getpgrp);
/* This variable is set nonzero at startup if the process's effective
IDs differ from its real IDs, or it is otherwise indicated that
diff --git a/posix/Makefile b/posix/Makefile
index e91ea25ba1..f2462cf22a 100644
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -63,6 +63,7 @@ routines := \
spawnattr_getpgroup spawnattr_setpgroup spawn spawnp spawni \
spawnattr_getsigmask spawnattr_getschedpolicy spawnattr_getschedparam \
spawnattr_setsigmask spawnattr_setschedpolicy spawnattr_setschedparam \
+ spawnattr_tcgetpgrp spawnattr_tcsetpgrp \
posix_madvise \
get_child_max sched_cpucount sched_cpualloc sched_cpufree \
streams-compat \
@@ -106,7 +107,7 @@ tests := test-errno tstgetopt testfnm runtests runptests \
tst-sysconf-empty-chroot tst-glob_symlinks tst-fexecve \
tst-glob-tilde test-ssize-max tst-spawn4 bug-regex37 \
bug-regex38 tst-regcomp-truncated tst-spawn-chdir \
- tst-wordexp-nocmd tst-execveat
+ tst-wordexp-nocmd tst-execveat tst-spawn5
# Test for the glob symbol version that was replaced in glibc 2.27.
ifeq ($(have-GLIBC_2.26)$(build-shared),yesyes)
@@ -275,6 +276,7 @@ tst-exec-ARGS = -- $(host-test-program-cmd)
tst-exec-static-ARGS = $(tst-exec-ARGS)
tst-execvpe5-ARGS = -- $(host-test-program-cmd)
tst-spawn-ARGS = -- $(host-test-program-cmd)
+tst-spawn5-ARGS = -- $(host-test-program-cmd)
tst-spawn-static-ARGS = $(tst-spawn-ARGS)
tst-dir-ARGS = `pwd` `cd $(common-objdir)/$(subdir); pwd` `cd $(common-objdir); pwd` $(objpfx)tst-dir
tst-chmod-ARGS = $(objdir)
diff --git a/posix/Versions b/posix/Versions
index ee1f412185..86704cf250 100644
--- a/posix/Versions
+++ b/posix/Versions
@@ -154,6 +154,8 @@ libc {
GLIBC_2.34 {
_Fork;
execveat;
+ posix_spawnattr_tcgetpgrp_np;
+ posix_spawnattr_tcsetpgrp_np;
}
GLIBC_PRIVATE {
__libc_fork; __libc_pread; __libc_pwrite;
diff --git a/posix/spawn.h b/posix/spawn.h
index a29da028cc..a04d33744d 100644
--- a/posix/spawn.h
+++ b/posix/spawn.h
@@ -34,7 +34,8 @@ typedef struct
sigset_t __ss;
struct sched_param __sp;
int __policy;
- int __pad[16];
+ int __ctty_fd;
+ int __pad[15];
} posix_spawnattr_t;
@@ -59,6 +60,7 @@ typedef struct
#ifdef __USE_GNU
# define POSIX_SPAWN_USEVFORK 0x40
# define POSIX_SPAWN_SETSID 0x80
+# define POSIX_SPAWN_TCSETPGROUP 0x100
#endif
@@ -166,6 +168,18 @@ extern int posix_spawnattr_setschedparam (posix_spawnattr_t *__restrict __attr,
__restrict __schedparam)
__THROW __nonnull ((1, 2));
+#ifdef __USE_GNU
+/* Make the spawned process the foreground process group on the terminal
+ associated with FD (which must be a controlling terminal, and still be
+ associated with its session). */
+extern int posix_spawnattr_tcsetpgrp_np (posix_spawnattr_t *__attr, int fd)
+ __THROW __nonnull ((1));
+
+/* Return the associated terminal FD in the attribute structure. */
+extern int posix_spawnattr_tcgetpgrp_np (const posix_spawnattr_t *
+ __restrict __attr, int *fd)
+ __THROW __nonnull ((1, 2));
+#endif
/* Initialize data structure for file attribute for `spawn' call. */
extern int posix_spawn_file_actions_init (posix_spawn_file_actions_t *
diff --git a/posix/spawnattr_setflags.c b/posix/spawnattr_setflags.c
index 2b033a50fc..95f521d04d 100644
--- a/posix/spawnattr_setflags.c
+++ b/posix/spawnattr_setflags.c
@@ -26,7 +26,8 @@
| POSIX_SPAWN_SETSCHEDPARAM \
| POSIX_SPAWN_SETSCHEDULER \
| POSIX_SPAWN_SETSID \
- | POSIX_SPAWN_USEVFORK)
+ | POSIX_SPAWN_USEVFORK \
+ | POSIX_SPAWN_TCSETPGROUP)
/* Store flags in the attribute structure. */
int
diff --git a/posix/spawnattr_tcgetpgrp.c b/posix/spawnattr_tcgetpgrp.c
new file mode 100644
index 0000000000..6d5dcd438b
--- /dev/null
+++ b/posix/spawnattr_tcgetpgrp.c
@@ -0,0 +1,26 @@
+/* Get the controlling terminal option.
+ Copyright (C) 2000-2021 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
+ . */
+
+#include
+
+int
+posix_spawnattr_tcgetpgrp_np (const posix_spawnattr_t *attr, int *fd)
+{
+ *fd = attr->__ctty_fd;
+ return 0;
+}
diff --git a/posix/spawnattr_tcsetpgrp.c b/posix/spawnattr_tcsetpgrp.c
new file mode 100644
index 0000000000..b1b5d5dba0
--- /dev/null
+++ b/posix/spawnattr_tcsetpgrp.c
@@ -0,0 +1,26 @@
+/* Set the controlling terminal option.
+ 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
+ . */
+
+#include
+
+int
+posix_spawnattr_tcsetpgrp_np (posix_spawnattr_t *attr, int fd)
+{
+ attr->__ctty_fd = fd;
+ return 0;
+}
diff --git a/posix/tst-spawn5.c b/posix/tst-spawn5.c
new file mode 100644
index 0000000000..67a1096a26
--- /dev/null
+++ b/posix/tst-spawn5.c
@@ -0,0 +1,174 @@
+/* Check posix_spawn set controlling terminal extension.
+ 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
+ . */
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+static int
+handle_restart (const char *argv1)
+{
+ bool setpgrp = strcmp (argv1, "setgrpr") == 0;
+ int fd = xopen (_PATH_TTY, O_RDONLY, 0600);
+
+ /* If process group is not changed (POSIX_SPAWN_SETPGROUP), then check
+ the creating process one, otherwise check against the process group
+ itself. */
+ pid_t pgrp;
+ if (!setpgrp)
+ TEST_COMPARE (sscanf (argv1, "%d", &pgrp), 1);
+ else
+ {
+ pgrp = getpgrp ();
+ /* Check if a new process group was actually created. */
+ pid_t ppid = getppid ();
+ pid_t pgid = getpgid (ppid);
+ TEST_VERIFY (pgid != pgrp);
+ }
+
+ TEST_COMPARE (tcgetpgrp (fd), pgrp);
+
+ xclose (fd);
+ return 0;
+}
+
+static int restart;
+#define CMDLINE_OPTIONS \
+ { "restart", no_argument, &restart, 1 },
+
+static void
+run_subprogram (int argc, char *argv[], const posix_spawnattr_t *attr,
+ int exp_err)
+{
+ short int flags;
+ TEST_COMPARE (posix_spawnattr_getflags (attr, &flags), 0);
+ bool setpgrp = flags & POSIX_SPAWN_SETPGROUP;
+
+ char *spargv[9];
+ char pgrp[INT_STRLEN_BOUND (pid_t)];
+
+ int i = 0;
+ for (; i < argc - 1; i++)
+ spargv[i] = argv[i + 1];
+ spargv[i++] = (char *) "--direct";
+ spargv[i++] = (char *) "--restart";
+ if (setpgrp)
+ spargv[i++] = (char *) "setgrpr";
+ else
+ {
+ snprintf (pgrp, sizeof pgrp, "%d", getpgrp ());
+ spargv[i++] = pgrp;
+ }
+ spargv[i] = NULL;
+
+ pid_t pid;
+ TEST_COMPARE (posix_spawn (&pid, argv[1], NULL, attr, spargv, environ),
+ exp_err);
+ if (exp_err != 0)
+ return;
+
+ int status;
+ TEST_COMPARE (xwaitpid (pid, &status, WUNTRACED), pid);
+ TEST_VERIFY (WIFEXITED (status));
+ TEST_VERIFY (!WIFSTOPPED (status));
+ TEST_VERIFY (!WIFSIGNALED (status));
+ TEST_COMPARE (WEXITSTATUS (status), 0);
+}
+
+static int
+do_test (int argc, char *argv[])
+{
+ /* We must have either:
+ - One our fource parameters left if called initially:
+ + path to ld.so optional
+ + "--library-path" optional
+ + the library path optional
+ + the application name
+ - six parameters left if called through re-execution:
+ + --setgrpr optional
+ */
+
+ if (restart)
+ return handle_restart (argv[1]);
+
+ int tcfd = xopen (_PATH_TTY, O_RDONLY, 0600);
+
+ /* Check getters and setters. */
+ {
+ posix_spawnattr_t attr;
+ TEST_COMPARE (posix_spawnattr_init (&attr), 0);
+ TEST_COMPARE (posix_spawnattr_tcsetpgrp_np (&attr, tcfd), 0);
+
+ int fd;
+ TEST_COMPARE (posix_spawnattr_tcgetpgrp_np (&attr, &fd), 0);
+ TEST_COMPARE (tcfd, fd);
+ }
+
+ /* Check setting the controlling terminal without changing the group. */
+ {
+ posix_spawnattr_t attr;
+ TEST_COMPARE (posix_spawnattr_init (&attr), 0);
+ TEST_COMPARE (posix_spawnattr_setflags (&attr, POSIX_SPAWN_TCSETPGROUP),
+ 0);
+ TEST_COMPARE (posix_spawnattr_tcsetpgrp_np (&attr, tcfd), 0);
+
+ run_subprogram (argc, argv, &attr, 0);
+ }
+
+ /* Check setting both the controlling terminal and the create a new process
+ group. */
+ {
+ posix_spawnattr_t attr;
+ TEST_COMPARE (posix_spawnattr_init (&attr), 0);
+ TEST_COMPARE (posix_spawnattr_setflags (&attr, POSIX_SPAWN_TCSETPGROUP
+ | POSIX_SPAWN_SETPGROUP),
+ 0);
+ TEST_COMPARE (posix_spawnattr_setpgroup (&attr, 0), 0);
+ TEST_COMPARE (posix_spawnattr_tcsetpgrp_np (&attr, tcfd), 0);
+
+ run_subprogram (argc, argv, &attr, 0);
+ }
+
+ /* Trying to set the controlling terminal after a setsid() incurs in a ENOTTY
+ from tcsetpgrp. */
+ {
+ posix_spawnattr_t attr;
+ TEST_COMPARE (posix_spawnattr_init (&attr), 0);
+ TEST_COMPARE (posix_spawnattr_setflags (&attr, POSIX_SPAWN_TCSETPGROUP
+ | POSIX_SPAWN_SETSID), 0);
+ TEST_COMPARE (posix_spawnattr_tcsetpgrp_np (&attr, tcfd), 0);
+
+ run_subprogram (argc, argv, &attr, ENOTTY);
+ }
+
+ xclose (tcfd);
+
+ return 0;
+}
+
+#define TEST_FUNCTION_ARGV do_test
+#include
diff --git a/sysdeps/mach/hurd/i386/libc.abilist b/sysdeps/mach/hurd/i386/libc.abilist
index fcfe64f26b..23501afb72 100644
--- a/sysdeps/mach/hurd/i386/libc.abilist
+++ b/sysdeps/mach/hurd/i386/libc.abilist
@@ -2241,6 +2241,8 @@ GLIBC_2.34 login_tty F
GLIBC_2.34 logout F
GLIBC_2.34 logwtmp F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 shm_open F
GLIBC_2.34 shm_unlink F
GLIBC_2.34 timespec_getres F
diff --git a/sysdeps/mach/hurd/spawni.c b/sysdeps/mach/hurd/spawni.c
index b5c92365f2..f1e7743515 100644
--- a/sysdeps/mach/hurd/spawni.c
+++ b/sysdeps/mach/hurd/spawni.c
@@ -390,6 +390,19 @@ retry:
if (!err && (flags & POSIX_SPAWN_SETPGROUP) != 0)
err = __proc_setpgrp (proc, new_pid, attrp->__pgrp);
+ /* Set the controlling terminal. */
+ if (!err && (flags & POSIX_SPAWN_TCSETPGROUP) != 0)
+ {
+ pid_t pgrp;
+ /* Check if it is possible to avoid an extra syscall. */
+ if ((attrp->__flags & POSIX_SPAWN_SETPGROUP) != 0 && attrp->__pgrp != 0)
+ pgrp = attrp->__pgrp;
+ else
+ err = __proc_getpgrp (proc, new_pid, &pgrp);
+ if (!err)
+ err = __tcsetpgrp (attrp->__ctty_fd, pgrp);
+ }
+
/* Set the effective user and group IDs. */
if (!err && (flags & POSIX_SPAWN_RESETIDS) != 0)
{
diff --git a/sysdeps/unix/bsd/tcsetpgrp.c b/sysdeps/unix/bsd/tcsetpgrp.c
index 98c88db3ae..3930b4f674 100644
--- a/sysdeps/unix/bsd/tcsetpgrp.c
+++ b/sysdeps/unix/bsd/tcsetpgrp.c
@@ -22,7 +22,9 @@
/* Set the foreground process group ID of FD set PGRP_ID. */
int
-tcsetpgrp (int fd, pid_t pgrp_id)
+__tcsetpgrp (int fd, pid_t pgrp_id)
{
return __ioctl (fd, TIOCSPGRP, &pgrp_id);
}
+weak_alias (__tcsetpgrp, tcsetpgrp)
+libc_hidden_def (__tcsetpgrp)
diff --git a/sysdeps/unix/sysv/linux/aarch64/libc.abilist b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
index 6730cbdd6b..18687c33a9 100644
--- a/sysdeps/unix/sysv/linux/aarch64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libc.abilist
@@ -2453,6 +2453,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/alpha/libc.abilist b/sysdeps/unix/sysv/linux/alpha/libc.abilist
index 63de4fadc3..acb2b378c1 100644
--- a/sysdeps/unix/sysv/linux/alpha/libc.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libc.abilist
@@ -2552,6 +2552,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/arc/libc.abilist b/sysdeps/unix/sysv/linux/arc/libc.abilist
index 2f13701fd7..e3bd75d19f 100644
--- a/sysdeps/unix/sysv/linux/arc/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arc/libc.abilist
@@ -2212,6 +2212,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/arm/be/libc.abilist b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
index 9b824f1605..b81629c45b 100644
--- a/sysdeps/unix/sysv/linux/arm/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libc.abilist
@@ -346,6 +346,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/arm/le/libc.abilist b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
index 443a81b8f7..835837935c 100644
--- a/sysdeps/unix/sysv/linux/arm/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libc.abilist
@@ -343,6 +343,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/csky/libc.abilist b/sysdeps/unix/sysv/linux/csky/libc.abilist
index 243de3cf93..ca43366ed6 100644
--- a/sysdeps/unix/sysv/linux/csky/libc.abilist
+++ b/sysdeps/unix/sysv/linux/csky/libc.abilist
@@ -2478,6 +2478,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/hppa/libc.abilist b/sysdeps/unix/sysv/linux/hppa/libc.abilist
index 24ae58bb6f..986af37fc2 100644
--- a/sysdeps/unix/sysv/linux/hppa/libc.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libc.abilist
@@ -2431,6 +2431,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/i386/libc.abilist b/sysdeps/unix/sysv/linux/i386/libc.abilist
index 09bebcd5a1..876459b9be 100644
--- a/sysdeps/unix/sysv/linux/i386/libc.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libc.abilist
@@ -2615,6 +2615,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/ia64/libc.abilist b/sysdeps/unix/sysv/linux/ia64/libc.abilist
index 0bafe09253..2371613cdf 100644
--- a/sysdeps/unix/sysv/linux/ia64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/ia64/libc.abilist
@@ -2390,6 +2390,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
index c1fcde4c24..2f76317bef 100644
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist
@@ -347,6 +347,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
index 407651cfd7..f55e327bc9 100644
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist
@@ -2558,6 +2558,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
index 7da722a734..d98a488f2a 100644
--- a/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libc.abilist
@@ -2529,6 +2529,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
index c374607b81..2416eb1c3a 100644
--- a/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libc.abilist
@@ -2526,6 +2526,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
index b1f426e053..ea06f605eb 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
@@ -2523,6 +2523,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
index 066ceb2258..2caec295a0 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
@@ -2521,6 +2521,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
index 51c563ebbe..b920687a6f 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist
@@ -2529,6 +2529,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
index 28db715d8a..097a4b3d15 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist
@@ -2441,6 +2441,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/nios2/libc.abilist b/sysdeps/unix/sysv/linux/nios2/libc.abilist
index ab9f2bd42c..04c657bc50 100644
--- a/sysdeps/unix/sysv/linux/nios2/libc.abilist
+++ b/sysdeps/unix/sysv/linux/nios2/libc.abilist
@@ -2568,6 +2568,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
index 83f8513e17..b797aea382 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist
@@ -2585,6 +2585,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
index 0fad357bf6..99cf000385 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist
@@ -2618,6 +2618,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
index 424ec8d953..d0083734ba 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libc.abilist
@@ -2354,6 +2354,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
index 9909fd0e9a..ae7bce3646 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libc.abilist
@@ -2649,6 +2649,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
index 7085989b16..c2b6eed702 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv32/libc.abilist
@@ -2214,6 +2214,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
index a855997957..b55ec6e344 100644
--- a/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/riscv/rv64/libc.abilist
@@ -2414,6 +2414,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
index 12aeb82520..ef7c9290af 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist
@@ -2583,6 +2583,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
index e2d746ad5f..3c733b9707 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist
@@ -2391,6 +2391,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/sh/be/libc.abilist b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
index 1ce4b54bf2..787e702a1b 100644
--- a/sysdeps/unix/sysv/linux/sh/be/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libc.abilist
@@ -2438,6 +2438,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/sh/le/libc.abilist b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
index 7d01add713..b94e7ce768 100644
--- a/sysdeps/unix/sysv/linux/sh/le/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libc.abilist
@@ -2435,6 +2435,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
index b5ef3247d7..e8c07fc936 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist
@@ -2578,6 +2578,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
index 14ae7c8417..f539613724 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist
@@ -2413,6 +2413,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/spawni.c b/sysdeps/unix/sysv/linux/spawni.c
index 3b435e6c86..1be1b08d0f 100644
--- a/sysdeps/unix/sysv/linux/spawni.c
+++ b/sysdeps/unix/sysv/linux/spawni.c
@@ -184,6 +184,17 @@ __spawni_child (void *arguments)
&& __setpgid (0, attr->__pgrp) != 0)
goto fail;
+ /* Set the controlling terminal. */
+ if ((attr->__flags & POSIX_SPAWN_TCSETPGROUP) != 0)
+ {
+ /* Check if it is possible to avoid an extra syscall. */
+ pid_t pgrp = (attr->__flags & POSIX_SPAWN_SETPGROUP) != 0
+ && attr->__pgrp != 0
+ ? attr->__pgrp : __getpgid (0);
+ if (__tcsetpgrp (attr->__ctty_fd, pgrp) != 0)
+ goto fail;
+ }
+
/* Set the effective user and group IDs. */
if ((attr->__flags & POSIX_SPAWN_RESETIDS) != 0
&& (local_seteuid (__getuid ()) != 0
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
index 62329abb49..4914f44a88 100644
--- a/sysdeps/unix/sysv/linux/syscalls.list
+++ b/sysdeps/unix/sysv/linux/syscalls.list
@@ -17,7 +17,7 @@ getpid - getpid Ei: __getpid getpid
getegid - getegid Ei: __getegid getegid
geteuid - geteuid Ei: __geteuid geteuid
getpgid - getpgid i:i __getpgid getpgid
-getpgrp - getpgrp Ei: getpgrp
+getpgrp - getpgrp Ei: __getpgrp getpgrp
getppid - getppid Ei: __getppid getppid
getresuid - getresuid i:ppp getresuid
getresgid - getresgid i:ppp getresgid
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
index 57c4f28d17..1875de7f1e 100644
--- a/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libc.abilist
@@ -2369,6 +2369,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
index 47211abe4e..9915a28471 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist
@@ -2468,6 +2468,8 @@ GLIBC_2.34 mtx_timedlock F
GLIBC_2.34 mtx_trylock F
GLIBC_2.34 mtx_unlock F
GLIBC_2.34 openpty F
+GLIBC_2.34 posix_spawnattr_tcgetpgrp_np F
+GLIBC_2.34 posix_spawnattr_tcsetpgrp_np F
GLIBC_2.34 pthread_attr_getaffinity_np F
GLIBC_2.34 pthread_attr_getguardsize F
GLIBC_2.34 pthread_attr_getstack F
diff --git a/termios/tcsetpgrp.c b/termios/tcsetpgrp.c
index 05630cd04c..9bd94a70bc 100644
--- a/termios/tcsetpgrp.c
+++ b/termios/tcsetpgrp.c
@@ -21,7 +21,7 @@
/* Set the foreground process group ID of FD set PGRP_ID. */
int
-tcsetpgrp (int fd, pid_t pgrp_id)
+__tcsetpgrp (int fd, pid_t pgrp_id)
{
if (fd < 0)
{
@@ -32,6 +32,7 @@ tcsetpgrp (int fd, pid_t pgrp_id)
__set_errno (ENOSYS);
return -1;
}
-
+weak_alias (__tcsetpgrp, tcsetpgrp);
+libc_hidden_def (__tcsetpgrp)
stub_warning (tcsetpgrp)