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-rw-r--r-- | toys/setsid.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/toys/setsid.c b/toys/setsid.c new file mode 100644 index 00000000..949f392a --- /dev/null +++ b/toys/setsid.c @@ -0,0 +1,34 @@ +/* vi: set sw=4 ts=4: + * + * setsid.c - Run program in a new session ID. + * + * Copyright 2006 Rob Landley <rob@landley.net> + * + * Not in SUSv3. + * See http://www.opengroup.org/onlinepubs/009695399/utilities/ + +USE_SETSID(NEWTOY(setsid, "^<1t", TOYFLAG_USR|TOYFLAG_BIN)) + +config SETSID + bool "setsid" + default y + help + usage: setsid [-t] command [args...] + + Run process in a new session. + + -t Grab tty (become foreground process, receiving keyboard signals) +*/ + +#include "toys.h" + +void setsid_main(void) +{ + while (setsid()<0) + if (vfork()) _exit(0); + if (toys.optflags) { + setpgid(0,0); + tcsetpgrp(0, getpid()); + } + xexec(toys.optargs); +} |