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author | Neil Jerram <neil@ossau.uklinux.net> | 2009-12-27 16:59:54 +0000 |
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committer | Neil Jerram <neil@ossau.uklinux.net> | 2009-12-27 16:59:54 +0000 |
commit | 3e5aed1c3be296b92f3a21e0dfde315deaef9daa (patch) | |
tree | 826150939f1707e036247d4de5f2bce632ea264e /libguile/posix.c | |
parent | 0ca3a342d19ec89b8ae6bba0a74f0f9ecc5cf7c2 (diff) | |
download | guile-3e5aed1c3be296b92f3a21e0dfde315deaef9daa.tar.gz |
Add support for getsid
* configure.ac: Check availability of getsid() C library call.
* libguile/posix.c (scm_getsid): New primitive.
* libguile/posix.h: Declaration for new primitive.
Diffstat (limited to 'libguile/posix.c')
-rw-r--r-- | libguile/posix.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/libguile/posix.c b/libguile/posix.c index 5187ff943..ef52c38f6 100644 --- a/libguile/posix.c +++ b/libguile/posix.c @@ -983,6 +983,18 @@ SCM_DEFINE (scm_setsid, "setsid", 0, 0, 0, #undef FUNC_NAME #endif /* HAVE_SETSID */ +#ifdef HAVE_GETSID +SCM_DEFINE (scm_getsid, "getsid", 1, 0, 0, + (SCM pid), + "Returns the session ID of process @var{pid}. (The session\n" + "ID of a process is the process group ID of its session leader.)") +#define FUNC_NAME s_scm_getsid +{ + return scm_from_int (getsid (scm_to_int (pid))); +} +#undef FUNC_NAME +#endif /* HAVE_GETSID */ + /* ttyname returns its result in a single static buffer, hence scm_i_misc_mutex for thread safety. In glibc 2.3.2 two threads |