Penguin

NAME

getsid - get session ID

SYNOPSIS

#include <unistd.h>

pid_t getsid(pid_t pid);

DESCRIPTION

getsid(0) returns the session ID of the calling process. getsid(p) returns the session ID of the process with process ID p.

ERRORS

On error, -1 will be returned. The only error which can happen is ESRCH, when no process with process ID p was found.

CONFORMING TO

SVr4, which documents an additional EPERM error condition.

SEE ALSO

setsid(2)

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