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Minix/CD-ROM-2.0/MINIX/MANUALS/CAT2/SETSID.2

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+SETSID(2)                 Minix Programmer's Manual                  SETSID(2)
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+NAME
+     setsid, getpgrp - create process group, get process group id
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+SYNOPSIS
+     #include <sys/types.h>
+     #include <unistd.h>
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+     pid_t setsid(void)
+     pid_t getpgrp(void)
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+DESCRIPTION
+     Setsid() creates a new session if the calling process is  not  already  a
+     session  leader.  The calling process becomes the session leader of a new
+     process group and the process group ID of this new process group will  be
+     equal  to the process ID of the new session leader.  The process group ID
+     is inherited on a fork().
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+     Getpgrp() returns the process group ID of the calling process.
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+SEE ALSO
+     kill(2), termios(3), tty(4).
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+DIAGNOSTICS
+     Setsid() returns the new process group ID on success, or  -1  with  errno
+     set to EPERM if the process is already a session leader.
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+AUTHOR
+     Kees J. Bot (kjb@cs.vu.nl)
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+                                                                             1
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