Since glibc 2.26, posix_spawn (2) function accepts the POSIX_SPAWN_SETSID flag. This flag has been accepted by POSIX and should be added to the next major revision. The current support can be enabled with _GNU_SOURCE. Upstream commit in glibc.git: daeb1fa2e1 [BZ 21340] add support for POSIX_SPAWN_SETSID Signed-off-by: Olivier Gayot <olivier.gayot@xxxxxxxxxxx> --- man3/posix_spawn.3 | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/man3/posix_spawn.3 b/man3/posix_spawn.3 index 72e7509d8..93f1124a1 100644 --- a/man3/posix_spawn.3 +++ b/man3/posix_spawn.3 @@ -394,6 +394,20 @@ instead of The .B _GNU_SOURCE feature test macro must be defined to obtain the definition of this contant. +.TP +.BR POSIX_SPAWN_SETSID " (since glibc 2.26)" +If this flag is set, +the child process shall create a new session and become the session leader. +The child process shall also become the process group leader of the new process +group in the session (see +.BR setsid (2)). +The +.B _GNU_SOURCE +feature test macro must be defined to obtain the definition of this contant. +.\" This flag has been accepted in POSIX, see: +.\" http://austingroupbugs.net/view.php?id=1044 +.\" and has been implemented in glibc since version 2.26 +.\" commit daeb1fa2e1b33323e719015f5f546988bd4cc73b .PP If .I attrp -- 2.19.1
