diff options
| author |   Marius Vlad <marius.vlad@collabora.com> | 2022-09-19 22:56:12 +0300 |
|---|---|---|
| committer | Marius Vlad <marius.vlad@collabora.com> | 2022-09-22 14:13:21 +0300 |
| commit | 1b93121761e16117d1926e8d57bad17cc5b2701a (patch) | |
| tree | 69e2849f1227eba5c6fff180aa84276410f6cb44 /shared | |
| parent | d08a5b2010f6e6feb1642ebf8e8444c4091d70dc (diff) | |
shared: introduce os_fd_clear_cloexec()
This function will be used between fork() and exec() to remove the
close-on-exec flag. The first user will be compositor/xwayland.c.
Bug-AGL: SPEC-4510
Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
Signed-off-by: Marius Vlad <marius.vlad@collabora.com>
Change-Id: Ib2245394654651583f9d59785540962ae4cb8a28
Diffstat (limited to 'shared')
| -rw-r--r-- | shared/os-compatibility.c | 15 | ||||
| -rw-r--r-- | shared/os-compatibility.h | 3 |
2 files changed, 18 insertions, 0 deletions
diff --git a/shared/os-compatibility.c b/shared/os-compatibility.c index 4bf7d81..681a544 100644 --- a/shared/os-compatibility.c +++ b/shared/os-compatibility.c @@ -403,3 +403,18 @@ os_ro_anonymous_file_put_fd(int fd) return 0; } + +int +os_fd_clear_cloexec(int fd) +{ + int flags; + + flags = fcntl(fd, F_GETFD); + if (flags == -1) + return -1; + + if (fcntl(fd, F_SETFD, flags & ~(int)FD_CLOEXEC) == -1) + return -1; + + return 0; +} diff --git a/shared/os-compatibility.h b/shared/os-compatibility.h index 1ad45d7..c396c7d 100644 --- a/shared/os-compatibility.h +++ b/shared/os-compatibility.h @@ -69,4 +69,7 @@ os_ro_anonymous_file_get_fd(struct ro_anonymous_file *file, int os_ro_anonymous_file_put_fd(int fd); +int +os_fd_clear_cloexec(int fd); + #endif /* OS_COMPATIBILITY_H */ |