This is the first step in being able to automatically remove phantom
lock files.
Signed-off-by: Allan McRae <[EMAIL PROTECTED]>
---
lib/libalpm/util.c | 15 +++++++++++++--
1 files changed, 13 insertions(+), 2 deletions(-)
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index da3463b..811572a 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -242,7 +242,9 @@ char *_alpm_strreplace(const char *str, const char *needle,
const char *replace)
int _alpm_lckmk()
{
int fd;
- char *dir, *ptr;
+ pid_t pid;
+ size_t len;
+ char *dir, *ptr, *spid;
const char *file = alpm_option_get_lockfile();
/* create the dir of the lockfile first */
@@ -256,7 +258,16 @@ int _alpm_lckmk()
while((fd = open(file, O_WRONLY | O_CREAT | O_EXCL, 0000)) == -1
&& errno == EINTR);
- return(fd > 0 ? fd : -1);
+ if(fd > 0) {
+ pid = getpid();
+ size_t len = snprintf(spid, 0, "%d", pid) + 1;
+ spid = malloc(len);
+ snprintf(spid, len, "%d", pid) + 1;
+ while(write(fd, (void *)spid, len) == -1 && errno == EINTR);
+ fsync(fd);
+ return(fd);
+ }
+ return(-1);
}
/* Remove a lock file */
--
1.6.0.3
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