Revision 7abd7117ec57b8c3c2a469db62c7811fdac5c655 authored by Jon Loeliger on 04 May 2006, 04:19:54 UTC, committed by Junio C Hamano on 04 May 2006, 05:59:30 UTC
Clean up a few entries and fix typos. bare repository cherry-picking hook topic branch [jc: removing questionable "symbolic ref -- see 'ref'" for now.] Signed-off-by: Jon Loeliger <jdl@jdl.com> Signed-off-by: Junio C Hamano <junkio@cox.net>
1 parent 9290cd5
index.c
/*
* Copyright (c) 2005, Junio C Hamano
*/
#include <signal.h>
#include "cache.h"
static struct cache_file *cache_file_list;
static void remove_lock_file(void)
{
while (cache_file_list) {
if (cache_file_list->lockfile[0])
unlink(cache_file_list->lockfile);
cache_file_list = cache_file_list->next;
}
}
static void remove_lock_file_on_signal(int signo)
{
remove_lock_file();
signal(SIGINT, SIG_DFL);
raise(signo);
}
int hold_index_file_for_update(struct cache_file *cf, const char *path)
{
int fd;
sprintf(cf->lockfile, "%s.lock", path);
fd = open(cf->lockfile, O_RDWR | O_CREAT | O_EXCL, 0666);
if (fd >=0 && !cf->next) {
cf->next = cache_file_list;
cache_file_list = cf;
signal(SIGINT, remove_lock_file_on_signal);
atexit(remove_lock_file);
}
return fd;
}
int commit_index_file(struct cache_file *cf)
{
char indexfile[PATH_MAX];
int i;
strcpy(indexfile, cf->lockfile);
i = strlen(indexfile) - 5; /* .lock */
indexfile[i] = 0;
i = rename(cf->lockfile, indexfile);
cf->lockfile[0] = 0;
return i;
}
void rollback_index_file(struct cache_file *cf)
{
if (cf->lockfile[0])
unlink(cf->lockfile);
cf->lockfile[0] = 0;
}
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