index : pacman | |
Archlinux32 fork of pacman | gitolite user |
summaryrefslogtreecommitdiff |
-rw-r--r-- | lib/libalpm/trans.c | 55 | ||||
-rw-r--r-- | lib/libalpm/util.c | 40 | ||||
-rw-r--r-- | lib/libalpm/util.h | 2 |
diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c index c1710e04..8e47f377 100644 --- a/lib/libalpm/trans.c +++ b/lib/libalpm/trans.c @@ -32,6 +32,7 @@ #include <sys/statvfs.h> #include <errno.h> #include <limits.h> +#include <fcntl.h> /* libalpm */ #include "trans.h" @@ -51,6 +52,51 @@ * @{ */ +/* Create a lock file */ +static int make_lock(pmhandle_t *handle) +{ + int fd; + char *dir, *ptr; + + /* create the dir of the lockfile first */ + dir = strdup(handle->lockfile); + ptr = strrchr(dir, '/'); + if(ptr) { + *ptr = '\0'; + } + if(_alpm_makepath(dir)) { + FREE(dir); + return(-1); + } + FREE(dir); + + do { + fd = open(handle->lockfile, O_WRONLY | O_CREAT | O_EXCL, 0000); + } while (fd == -1 && errno == EINTR); + if(fd > 0) { + FILE *f = fdopen(fd, "w"); + fprintf(f, "%ld\n", (long)getpid()); + fflush(f); + fsync(fd); + handle->lckstream = f; + return(0); + } + return(-1); +} + +/* Remove a lock file */ +static int remove_lock(pmhandle_t *handle) +{ + if(handle->lckstream != NULL) { + fclose(handle->lckstream); + handle->lckstream = NULL; + } + if(unlink(handle->lockfile) == -1 && errno != ENOENT) { + return(-1); + } + return(0); +} + /** Initialize the transaction. * @param flags flags of the transaction (like nodeps, etc) * @param event event callback function pointer @@ -73,8 +119,7 @@ int SYMEXPORT alpm_trans_init(pmtransflag_t flags, /* lock db */ if(!(flags & PM_TRANS_FLAG_NOLOCK)) { - handle->lckstream = _alpm_lckmk(); - if(handle->lckstream == NULL) { + if(make_lock(handle)) { RET_ERR(PM_ERR_HANDLE_LOCK, -1); } } @@ -260,11 +305,7 @@ int SYMEXPORT alpm_trans_release(void) /* unlock db */ if(!nolock_flag) { - if(handle->lckstream != NULL) { - fclose(handle->lckstream); - handle->lckstream = NULL; - } - if(_alpm_lckrm()) { + if(remove_lock(handle)) { _alpm_log(PM_LOG_WARNING, _("could not remove lock file %s\n"), alpm_option_get_lockfile()); alpm_logaction("warning: could not remove lock file %s\n", diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c index 149a7f80..9281f0e6 100644 --- a/lib/libalpm/util.c +++ b/lib/libalpm/util.c @@ -28,7 +28,6 @@ #include <stdlib.h> #include <stdarg.h> #include <string.h> -#include <fcntl.h> #include <unistd.h> #include <ctype.h> #include <dirent.h> @@ -210,45 +209,6 @@ char *_alpm_strtrim(char *str) return(str); } -/* Create a lock file */ -FILE *_alpm_lckmk(void) -{ - int fd; - char *dir, *ptr; - const char *file = alpm_option_get_lockfile(); - - /* create the dir of the lockfile first */ - dir = strdup(file); - ptr = strrchr(dir, '/'); - if(ptr) { - *ptr = '\0'; - } - _alpm_makepath(dir); - FREE(dir); - - do { - fd = open(file, O_WRONLY | O_CREAT | O_EXCL, 0000); - } while (fd == -1 && errno == EINTR); - if(fd > 0) { - FILE *f = fdopen(fd, "w"); - fprintf(f, "%ld\n", (long)getpid()); - fflush(f); - fsync(fd); - return(f); - } - return(NULL); -} - -/* Remove a lock file */ -int _alpm_lckrm(void) -{ - const char *file = alpm_option_get_lockfile(); - if(unlink(file) == -1 && errno != ENOENT) { - return(-1); - } - return(0); -} - /* Compression functions */ /** diff --git a/lib/libalpm/util.h b/lib/libalpm/util.h index 930503b7..d65f7734 100644 --- a/lib/libalpm/util.h +++ b/lib/libalpm/util.h @@ -80,8 +80,6 @@ int _alpm_makepath(const char *path); int _alpm_makepath_mode(const char *path, mode_t mode); int _alpm_copyfile(const char *src, const char *dest); char *_alpm_strtrim(char *str); -FILE *_alpm_lckmk(void); -int _alpm_lckrm(void); int _alpm_unpack_single(const char *archive, const char *prefix, const char *fn); int _alpm_unpack(const char *archive, const char *prefix, alpm_list_t *list, int breakfirst); int _alpm_rmrf(const char *path); |