Revision b4615e40a8125477e18490d868f7b65954372b43 authored by Junio C Hamano on 12 January 2020, 21:28:13 UTC, committed by Junio C Hamano on 12 January 2020, 21:28:13 UTC
l10n-2.25.0-rnd1 * tag 'l10n-2.25.0-rnd1' of git://github.com/git-l10n/git-po: l10n: zh_CN: for git v2.25.0 l10n round 1 l10n: Update Catalan translation l10n: de.po: Update German translation v2.25.0 round 1 l10n: de.po: Reword generation numbers l10n: bg.po: Updated Bulgarian translation (4800t) l10n: es: 2.25.0 round #1 l10n: sv.po: Update Swedish translation (4800t0f0u) l10n: fr.po v2.25.0 rnd 1 l10n: vi(4800t): Updated Vietnamese translation v2.25.0 l10n: zh_TW.po: update translation for v2.25.0 round 1 l10n: it.po: update the Italian translation for Git 2.25.0 l10n: git.pot: v2.25.0 round 1 (119 new, 13 removed) l10n: Update Catalan translation l10n: zh_TW: add translation for v2.24.0
sigchain.h
#ifndef SIGCHAIN_H
#define SIGCHAIN_H
/**
* Code often wants to set a signal handler to clean up temporary files or
* other work-in-progress when we die unexpectedly. For multiple pieces of
* code to do this without conflicting, each piece of code must remember
* the old value of the handler and restore it either when:
*
* 1. The work-in-progress is finished, and the handler is no longer
* necessary. The handler should revert to the original behavior
* (either another handler, SIG_DFL, or SIG_IGN).
*
* 2. The signal is received. We should then do our cleanup, then chain
* to the next handler (or die if it is SIG_DFL).
*
* Sigchain is a tiny library for keeping a stack of handlers. Your handler
* and installation code should look something like:
*
* ------------------------------------------
* void clean_foo_on_signal(int sig)
* {
* clean_foo();
* sigchain_pop(sig);
* raise(sig);
* }
*
* void other_func()
* {
* sigchain_push_common(clean_foo_on_signal);
* mess_up_foo();
* clean_foo();
* }
* ------------------------------------------
*
*/
/**
* Handlers are given the typedef of sigchain_fun. This is the same type
* that is given to signal() or sigaction(). It is perfectly reasonable to
* push SIG_DFL or SIG_IGN onto the stack.
*/
typedef void (*sigchain_fun)(int);
/* You can sigchain_push and sigchain_pop individual signals. */
int sigchain_push(int sig, sigchain_fun f);
int sigchain_pop(int sig);
/**
* push the handler onto the stack for the common signals:
* SIGINT, SIGHUP, SIGTERM, SIGQUIT and SIGPIPE.
*/
void sigchain_push_common(sigchain_fun f);
void sigchain_pop_common(void);
#endif /* SIGCHAIN_H */
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