diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2004-09-12 18:05:37 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2004-09-12 18:05:37 +0000 |
| commit | 9ad684229e7cf2f0b3c6068b2122701d167a5794 (patch) | |
| tree | 74e661e3991005d7fb582984a493b5b918f11189 /posix | |
| parent | cf244b74a04435b6954d5499a09fa97a628bc3ab (diff) | |
| download | glibc-9ad684229e7cf2f0b3c6068b2122701d167a5794.tar.gz | |
Update.
* posix/spawn.h [__USE_GNU]: Define POSIX_SPAWN_USEVFORK.
* posix/spawnattr_setflags.c: Check whether any unknown bit is set
in FLAGS parameter and fail if this is the case.
* sysdeps/posix/spawni.c: Use vfork if POSIX_SPAWN_USEVFORK flag is
set.
Diffstat (limited to 'posix')
| -rw-r--r-- | posix/spawn.h | 5 | ||||
| -rw-r--r-- | posix/spawnattr_setflags.c | 15 |
2 files changed, 18 insertions, 2 deletions
diff --git a/posix/spawn.h b/posix/spawn.h index 09b1e9f8e4..ff77fcc8f9 100644 --- a/posix/spawn.h +++ b/posix/spawn.h @@ -1,5 +1,5 @@ /* Definitions for POSIX spawn interface. - Copyright (C) 2000, 2003 Free Software Foundation, Inc. + Copyright (C) 2000, 2003, 2004 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 @@ -57,6 +57,9 @@ typedef struct #define POSIX_SPAWN_SETSIGMASK 0x08 #define POSIX_SPAWN_SETSCHEDPARAM 0x10 #define POSIX_SPAWN_SETSCHEDULER 0x20 +#ifdef __USE_GNU +# define POSIX_SPAWN_USEVFORK 0x40 +#endif __BEGIN_DECLS diff --git a/posix/spawnattr_setflags.c b/posix/spawnattr_setflags.c index 3618efab45..0c3f5d20b7 100644 --- a/posix/spawnattr_setflags.c +++ b/posix/spawnattr_setflags.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2004 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 @@ -16,13 +16,26 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +#include <errno.h> #include <spawn.h> #include <string.h> +#define ALL_FLAGS (POSIX_SPAWN_RESETIDS \ + | POSIX_SPAWN_SETPGROUP \ + | POSIX_SPAWN_SETSIGDEF \ + | POSIX_SPAWN_SETSIGMASK \ + | POSIX_SPAWN_SETSCHEDPARAM \ + | POSIX_SPAWN_SETSCHEDULER \ + | POSIX_SPAWN_USEVFORK) + /* Store flags in the attribute structure. */ int posix_spawnattr_setflags (posix_spawnattr_t *attr, short int flags) { + /* Check no invalid bits are set. */ + if (flags & ~ALL_FLAGS) + return EINVAL; + /* Store the flag word. */ attr->__flags = flags; |