Diff
gcc/libiberty/aclocal.m4 | 4 ++--
gcc/libiberty/config.in | 9 +++++++++
gcc/libiberty/configure | 8 +++++---
gcc/libiberty/configure.ac | 8 +++++---
gcc/libiberty/pex-unix.c | 168 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
5 files changed, 189 insertions(+), 8 deletions(-)
@@ -1,6 +1,6 @@
# generated automatically by aclocal 1.15.1 -*- Autoconf -*-
# generated automatically by aclocal 1.16.5 -*- Autoconf -*-
# Copyright (C) 1996-2017 Free Software Foundation, Inc.
# Copyright (C) 1996-2021 Free Software Foundation, Inc.
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
@@ -198,6 +198,12 @@
/* Define to 1 if you have the `pipe2' function. */
#undef HAVE_PIPE2
/* Define to 1 if you have the `posix_spawn' function. */
#undef HAVE_POSIX_SPAWN
/* Define to 1 if you have the `posix_spawnp' function. */
#undef HAVE_POSIX_SPAWNP
/* Define to 1 if you have the <process.h> header file. */
#undef HAVE_PROCESS_H
@@ -248,6 +254,9 @@
/* Define to 1 if you have the `spawnvpe' function. */
#undef HAVE_SPAWNVPE
/* Define to 1 if you have the <spawn.h> header file. */
#undef HAVE_SPAWN_H
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
@@ -5517,7 +5517,7 @@
# It's OK to check for header files. Although the compiler may not be
# able to link anything, it had better be able to at least compile
# something.
for ac_header in sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h process.h sys/prctl.h
for ac_header in sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h process.h sys/prctl.h spawn.h
do :
as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
ac_fn_c_check_header_preproc "$LINENO" "$ac_header" "$as_ac_Header"
@@ -6026,7 +6026,8 @@
vars="sys_errlist sys_nerr sys_siglist"
checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
getsysinfo gettimeofday on_exit pipe2 psignal pstat_getdynamic pstat_getstatic \
getsysinfo gettimeofday on_exit pipe2 posix_spawn posix_spawnp psignal \
pstat_getdynamic pstat_getstatic \
realpath setrlimit spawnve spawnvpe strerror strsignal sysconf sysctl \
sysmp table times wait3 wait4"
@@ -6049,7 +6050,8 @@
index insque \
memchr memcmp memcpy memmem memmove memset mkstemps \
on_exit \
pipe2 psignal pstat_getdynamic pstat_getstatic putenv \
pipe2 posix_spawn posix_spawnp psignal \
pstat_getdynamic pstat_getstatic putenv \
random realpath rename rindex \
sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
stpcpy stpncpy strcasecmp strchr strdup \
@@ -277,7 +277,7 @@
# It's OK to check for header files. Although the compiler may not be
# able to link anything, it had better be able to at least compile
# something.
AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h process.h sys/prctl.h)
AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h process.h sys/prctl.h spawn.h)
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
@@ -400,7 +400,8 @@
vars="sys_errlist sys_nerr sys_siglist"
checkfuncs="__fsetlocking canonicalize_file_name dup3 getrlimit getrusage \
getsysinfo gettimeofday on_exit pipe2 psignal pstat_getdynamic pstat_getstatic \
getsysinfo gettimeofday on_exit pipe2 posix_spawn posix_spawnp psignal \
pstat_getdynamic pstat_getstatic \
realpath setrlimit spawnve spawnvpe strerror strsignal sysconf sysctl \
sysmp table times wait3 wait4"
@@ -423,7 +424,8 @@
index insque \
memchr memcmp memcpy memmem memmove memset mkstemps \
on_exit \
pipe2 psignal pstat_getdynamic pstat_getstatic putenv \
pipe2 posix_spawn posix_spawnp psignal \
pstat_getdynamic pstat_getstatic putenv \
random realpath rename rindex \
sbrk setenv setproctitle setrlimit sigsetmask snprintf spawnve spawnvpe \
stpcpy stpncpy strcasecmp strchr strdup \
@@ -58,6 +58,9 @@
#ifdef HAVE_PROCESS_H
#include <process.h>
#endif
#ifdef HAVE_SPAWN_H
#include <spawn.h>
#endif
#ifdef vfork
# define VFORK_STRING "fork"
@@ -558,7 +561,172 @@
*errmsg = "dup2";
return (pid_t) -1;
}
#elif defined(HAVE_POSIX_SPAWN) && defined(HAVE_POSIX_SPAWNP)
static pid_t
pex_unix_exec_child (struct pex_obj *obj ATTRIBUTE_UNUSED,
int flags, const char *executable,
char * const * argv, char * const * env,
int in, int out, int errdes,
int toclose, const char **errmsg, int *err)
{
int ret;
pid_t pid = -1;
posix_spawnattr_t attr;
posix_spawn_file_actions_t actions;
int attr_initialized = 0, actions_initialized = 0;
*err = 0;
ret = posix_spawnattr_init (&attr);
if (ret)
{
*err = ret;
*errmsg = "posix_spawnattr_init";
goto exit;
}
attr_initialized = 1;
#ifdef POSIX_SPAWN_USEVFORK
ret = posix_spawnattr_setflags (&attr, POSIX_SPAWN_USEVFORK);
if (ret)
{
*err = ret;
*errmsg = "posix_spawnattr_setflags";
goto exit;
}
#endif
ret = posix_spawn_file_actions_init (&actions);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_init";
goto exit;
}
actions_initialized = 1;
if (in != STDIN_FILE_NO)
{
ret = posix_spawn_file_actions_adddup2 (&actions, in, STDIN_FILE_NO);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_adddup2";
goto exit;
}
ret = posix_spawn_file_actions_addclose (&actions, in);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_addclose";
goto exit;
}
}
if (out != STDOUT_FILE_NO)
{
ret = posix_spawn_file_actions_adddup2 (&actions, out, STDOUT_FILE_NO);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_adddup2";
goto exit;
}
ret = posix_spawn_file_actions_addclose (&actions, out);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_addclose";
goto exit;
}
}
if (errdes != STDERR_FILE_NO)
{
ret = posix_spawn_file_actions_adddup2 (&actions, errdes, STDERR_FILE_NO);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_adddup2";
goto exit;
}
ret = posix_spawn_file_actions_addclose (&actions, errdes);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_addclose";
goto exit;
}
}
if (toclose >= 0)
{
ret = posix_spawn_file_actions_addclose (&actions, toclose);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_addclose";
goto exit;
}
}
if ((flags & PEX_STDERR_TO_STDOUT) != 0)
{
ret = posix_spawn_file_actions_adddup2 (&actions, STDOUT_FILE_NO, STDERR_FILE_NO);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn_file_actions_adddup2";
goto exit;
}
}
if ((flags & PEX_SEARCH) != 0)
{
ret = posix_spawnp (&pid, executable, &actions, &attr, argv, env ? env : environ);
if (ret)
{
*err = ret;
*errmsg = "posix_spawnp";
goto exit;
}
}
else
{
ret = posix_spawn (&pid, executable, &actions, &attr, argv, env ? env : environ);
if (ret)
{
*err = ret;
*errmsg = "posix_spawn";
goto exit;
}
}
exit:
if (actions_initialized)
posix_spawn_file_actions_destroy (&actions);
if (attr_initialized)
posix_spawnattr_destroy (&attr);
if (!*err && in != STDIN_FILE_NO)
if (close (in))
*errmsg = "close", *err = errno, pid = -1;
if (!*err && out != STDOUT_FILE_NO)
if (close (out))
*errmsg = "close", *err = errno, pid = -1;
if (!*err && errdes != STDERR_FILE_NO)
if (close (errdes))
*errmsg = "close", *err = errno, pid = -1;
return pid;
}
#else