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LibC: Add POSIX_SPAWN_SETSIGMASK

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This isn't in posix yet, but it is implemented on some platforms
and it will be in a future version:
https://www.austingroupbugs.net/view.php?id=1044

It seems useful, so add it.
This commit is contained in:
Nico Weber 2020-06-19 16:28:43 -04:00 • committed by Andreas Kling
parent 39d1a43c45
commit 2ddca326be
2 changed files with 11 additions and 1 deletions
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8
Libraries/LibC/spawn.cpp
View file

@ -95,6 +95,12 @@ extern "C" {
exit(127); exit(127);
} }
} }
if (flags & POSIX_SPAWN_SETSID) {
if (setsid() < 0) {
perror("posix_spawn setsid");
exit(127);
}
}
// FIXME: POSIX_SPAWN_SETSCHEDULER // FIXME: POSIX_SPAWN_SETSCHEDULER
} }
@ -232,7 +238,7 @@ int posix_spawnattr_init(posix_spawnattr_t* attr)
int posix_spawnattr_setflags(posix_spawnattr_t* attr, short flags) int posix_spawnattr_setflags(posix_spawnattr_t* attr, short flags)
{ {
if (flags & ~(POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK)) if (flags & ~(POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK | POSIX_SPAWN_SETSID))
return EINVAL; return EINVAL;
attr->flags = flags; attr->flags = flags;

4
Libraries/LibC/spawn.h
View file

@ -50,8 +50,12 @@ enum {
POSIX_SPAWN_SETSIGDEF = 1 << 4, POSIX_SPAWN_SETSIGDEF = 1 << 4,
POSIX_SPAWN_SETSIGMASK = 1 << 5, POSIX_SPAWN_SETSIGMASK = 1 << 5,
POSIX_SPAWN_SETSID = 1 << 6,
}; };
#define POSIX_SPAWN_SETSID POSIX_SPAWN_SETSID
struct posix_spawn_file_actions_state; struct posix_spawn_file_actions_state;
typedef struct { typedef struct {
struct posix_spawn_file_actions_state* state; struct posix_spawn_file_actions_state* state;