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

 

                 

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c9/sigmin.c File Reference

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Detailed Description

Minimal defensive signal handling [Sec. 9.1.8].

Definition in file sigmin.c.

Go to the source code of this file.

Defines
#define	MAX_SIG   50
Functions
void	clean_up (void)
size_t	strlen_safe (const char *s)
void	handler (int signum)
bool	handle_signals (void)
void	process (void)
int	main (void)

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Define Documentation

#define MAX_SIG   50

Definition at line 111 of file sigmin.c. Referenced by main().

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Function Documentation

void clean_up (  void   )  [static]

Definition at line 23 of file sigmin.c. Referenced by handler(), and sig_thread().

bool handle_signals (  void   )  [static]

Definition at line 68 of file sigmin.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, handler(), sigaction::sa_handler, sigaction::sa_mask, set(), sigaction(), sigemptyset(), sigfillset(), and sigprocmask(). Referenced by process().

void handler (  int  signum  )  [static]

Definition at line 39 of file sigmin.c. References _exit(), clean_up(), strlen_safe(), and write(). Referenced by handle_signals().

int main (  void   )

Definition at line 113 of file sigmin.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_neg1, exit(), fork(), kill(), MAX_SIG, process(), set(), sigfillset(), sigprocmask(), sleep(), and waitpid().

void process (  void   )

Definition at line 100 of file sigmin.c. References EC_CLEANUP_BGN, EC_CLEANUP_END, ec_false, exit(), handle_signals(), and sleep(). Referenced by main().

size_t strlen_safe (  const char *  s  )  [static]

Definition at line 31 of file sigmin.c. Referenced by handler().

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