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Diffstat (limited to 'lib/libalpm/util.c')
-rw-r--r--lib/libalpm/util.c19
1 files changed, 15 insertions, 4 deletions
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c
index da3463b0..5e6ca0c0 100644
--- a/lib/libalpm/util.c
+++ b/lib/libalpm/util.c
@@ -242,7 +242,8 @@ char *_alpm_strreplace(const char *str, const char *needle, const char *replace)
int _alpm_lckmk()
{
int fd;
- char *dir, *ptr;
+ pid_t pid;
+ char *dir, *ptr, *spid = NULL;
const char *file = alpm_option_get_lockfile();
/* create the dir of the lockfile first */
@@ -256,7 +257,17 @@ 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, "%ld\n", (long)pid) + 1;
+ spid = malloc(len);
+ snprintf(spid, len, "%ld\n", (long)pid);
+ while(write(fd, (void *)spid, len) == -1 && errno == EINTR);
+ fsync(fd);
+ free(spid);
+ return(fd);
+ }
+ return(-1);
}
/* Remove a lock file */
@@ -539,7 +550,7 @@ int _alpm_lstat(const char *path, struct stat *buf)
* @return the checksum on success, NULL on error
* @addtogroup alpm_misc
*/
-char SYMEXPORT *alpm_get_md5sum(const char *filename)
+char SYMEXPORT *alpm_compute_md5sum(const char *filename)
{
unsigned char output[16];
char *md5sum;
@@ -573,7 +584,7 @@ int _alpm_test_md5sum(const char *filepath, const char *md5sum)
char *md5sum2;
int ret;
- md5sum2 = alpm_get_md5sum(filepath);
+ md5sum2 = alpm_compute_md5sum(filepath);
if(md5sum == NULL || md5sum2 == NULL) {
ret = -1;