getsid man page on SmartOS

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GETSID(2)							     GETSID(2)

NAME
       getsid - get process group ID of session leader

SYNOPSIS
       #include <unistd.h>

       pid_t getsid(pid_t pid);

DESCRIPTION
       The  getsid() function obtains the process group ID of the process that
       is the session leader of the process  specified	by  pid.   If  pid  is
       (pid_t)0, it specifies the calling process.

RETURN VALUES
       Upon  successful	 completion,  getsid() returns the process group ID of
       the session leader of the  specified  process.  Otherwise,  it  returns
       (pid_t)−1 and sets errno to indicate the error.

ERRORS
       The getsid() function will fail if:

       EPERM
		The process specified by pid is not in the same session as the
		calling process, and the implementation does not allow	access
		to  the process group ID of the session leader of that process
		from the calling process.

       ESRCH
		There is no process with a process ID equal to pid.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ Standard	      │
       └────────────────────┴─────────────────┘

SEE ALSO
       exec(2),	 fork(2),  getpid(2),	getpgid(2),   setpgid(2),   setsid(2),
       attributes(5), standards(5)

				 Jan 22, 1996			     GETSID(2)
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