©2004 by Marc J. Rochkind. All rights reserved. Portions marked "Open Source" may be copied under license.

 

                 

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c6/pcsync_sig.c File Reference

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Detailed Description

Synchronize processes with signals [Sec. 6.2, 9.2.3 (not in book)].

Definition in file pcsync_sig.c.

Go to the source code of this file.

Defines
#define	NO_OPx
Functions
void	signal_handler_child (int signo)
bool	pcsync_init (struct pcsync *p)
bool	pcsync_wait_for_parent (struct pcsync *p)
bool	pcsync_unblock_children (struct pcsync *p, int children, pid_t *pid_child)
bool	pcsync_end (struct pcsync *p)

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Define Documentation

#define NO_OPx

Definition at line 24 of file pcsync_sig.c.

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Function Documentation

bool pcsync_end (  struct pcsync *  p  )

Definition at line 95 of file pcsync_sig.c. References close(), pcsync::fdcp, and pcsync::fdpc.

bool pcsync_init (  struct pcsync *  p  )

Definition at line 38 of file pcsync_sig.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, pcsync::fdcp, pcsync::fdpc, pcsync::old_set, pipe(), set(), sigaddset(), sigemptyset(), and sigprocmask().

bool pcsync_unblock_children (  struct pcsync *  p, int  children, pid_t *  pid_child )

Definition at line 78 of file pcsync_sig.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_neg1, errno, pcsync::fdcp, pcsync::fdpc, kill(), pcsync::old_set, read(), sigprocmask(), and write().

bool pcsync_wait_for_parent (  struct pcsync *  p  )

Definition at line 54 of file pcsync_sig.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, EC_FAIL, ec_neg1, errno, FD_SET(), FD_ZERO(), pcsync::fdcp, pcsync::fdpc, pcsync::old_set, sigaction::sa_handler, select(), sigaction(), sigdelset(), sigfillset(), signal_handler_child(), sigprocmask(), sigsuspend(), and write().

void signal_handler_child (  int  signo  )  [static]

Definition at line 34 of file pcsync_sig.c. Referenced by pcsync_wait_for_parent().

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