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| author | Richard M. Stallman | 1994-11-17 17:28:35 +0000 |
|---|---|---|
| committer | Richard M. Stallman | 1994-11-17 17:28:35 +0000 |
| commit | 7b92975ff2538e28da006f17211a7f3b41880df8 (patch) | |
| tree | 1f78df2d8191cdc3d5741bca6d2542faa9f157a8 /src | |
| parent | dc554c3acc16e3aa7435c018a23a3a94bf50902e (diff) | |
| download | emacs-7b92975ff2538e28da006f17211a7f3b41880df8.tar.gz emacs-7b92975ff2538e28da006f17211a7f3b41880df8.zip | |
(lock_dir, superlock_file, MAKE_LOCK_NAME):
Renamed from lock_path, superlock_path, MAKE_LOCK_PATH.
Diffstat (limited to 'src')
| -rw-r--r-- | src/filelock.c | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/src/filelock.c b/src/filelock.c index f7e21576678..24c1c26bf59 100644 --- a/src/filelock.c +++ b/src/filelock.c | |||
| @@ -77,23 +77,23 @@ extern struct passwd *getpwuid (); | |||
| 77 | 77 | ||
| 78 | /* The name of the directory in which we keep lock files, with a '/' | 78 | /* The name of the directory in which we keep lock files, with a '/' |
| 79 | appended. */ | 79 | appended. */ |
| 80 | char *lock_path; | 80 | char *lock_dir; |
| 81 | 81 | ||
| 82 | /* The name of the file in the lock directory which is used to | 82 | /* The name of the file in the lock directory which is used to |
| 83 | arbitrate access to the entire directory. */ | 83 | arbitrate access to the entire directory. */ |
| 84 | #define SUPERLOCK_NAME "!!!SuperLock!!!" | 84 | #define SUPERLOCK_NAME "!!!SuperLock!!!" |
| 85 | 85 | ||
| 86 | /* The path to the superlock file. This is SUPERLOCK_NAME appended to | 86 | /* The name of the superlock file. This is SUPERLOCK_NAME appended to |
| 87 | lock_path. */ | 87 | lock_dir. */ |
| 88 | char *superlock_path; | 88 | char *superlock_file; |
| 89 | 89 | ||
| 90 | /* Set LOCK to the name of the lock file for the filename FILE. | 90 | /* Set LOCK to the name of the lock file for the filename FILE. |
| 91 | char *LOCK; Lisp_Object FILE; */ | 91 | char *LOCK; Lisp_Object FILE; */ |
| 92 | 92 | ||
| 93 | #ifndef HAVE_LONG_FILE_NAMES | 93 | #ifndef HAVE_LONG_FILE_NAMES |
| 94 | 94 | ||
| 95 | #define MAKE_LOCK_PATH(lock, file) \ | 95 | #define MAKE_LOCK_NAME(lock, file) \ |
| 96 | (lock = (char *) alloca (14 + strlen (lock_path) + 1), \ | 96 | (lock = (char *) alloca (14 + strlen (lock_dir) + 1), \ |
| 97 | fill_in_lock_short_file_name (lock, (file))) | 97 | fill_in_lock_short_file_name (lock, (file))) |
| 98 | 98 | ||
| 99 | 99 | ||
| @@ -124,15 +124,15 @@ fill_in_lock_short_file_name (lockfile, fn) | |||
| 124 | crc.byte[1] = crc.byte[0]; | 124 | crc.byte[1] = crc.byte[0]; |
| 125 | crc.byte[0] = new; | 125 | crc.byte[0] = new; |
| 126 | } | 126 | } |
| 127 | sprintf (lockfile, "%s%.2x%.2x%.2x%.2x%.2x%.2x%.2x", lock_path, | 127 | sprintf (lockfile, "%s%.2x%.2x%.2x%.2x%.2x%.2x%.2x", lock_dir, |
| 128 | crc.byte[0], crc.byte[1], crc.byte[2], crc.byte[3], | 128 | crc.byte[0], crc.byte[1], crc.byte[2], crc.byte[3], |
| 129 | crc.byte[4], crc.byte[5], crc.byte[6]); | 129 | crc.byte[4], crc.byte[5], crc.byte[6]); |
| 130 | } | 130 | } |
| 131 | 131 | ||
| 132 | #else /* defined HAVE_LONG_FILE_NAMES */ | 132 | #else /* defined HAVE_LONG_FILE_NAMES */ |
| 133 | 133 | ||
| 134 | #define MAKE_LOCK_PATH(lock, file) \ | 134 | #define MAKE_LOCK_NAME(lock, file) \ |
| 135 | (lock = (char *) alloca (XSTRING (file)->size + strlen (lock_path) + 1), \ | 135 | (lock = (char *) alloca (XSTRING (file)->size + strlen (lock_dir) + 1), \ |
| 136 | fill_in_lock_file_name (lock, (file))) | 136 | fill_in_lock_file_name (lock, (file))) |
| 137 | 137 | ||
| 138 | 138 | ||
| @@ -142,7 +142,7 @@ fill_in_lock_file_name (lockfile, fn) | |||
| 142 | { | 142 | { |
| 143 | register char *p; | 143 | register char *p; |
| 144 | 144 | ||
| 145 | strcpy (lockfile, lock_path); | 145 | strcpy (lockfile, lock_dir); |
| 146 | 146 | ||
| 147 | p = lockfile + strlen (lockfile); | 147 | p = lockfile + strlen (lockfile); |
| 148 | 148 | ||
| @@ -202,7 +202,7 @@ lock_file (fn) | |||
| 202 | register Lisp_Object attack; | 202 | register Lisp_Object attack; |
| 203 | register char *lfname; | 203 | register char *lfname; |
| 204 | 204 | ||
| 205 | MAKE_LOCK_PATH (lfname, fn); | 205 | MAKE_LOCK_NAME (lfname, fn); |
| 206 | 206 | ||
| 207 | /* See if this file is visited and has changed on disk since it was | 207 | /* See if this file is visited and has changed on disk since it was |
| 208 | visited. */ | 208 | visited. */ |
| @@ -228,7 +228,7 @@ lock_file (fn) | |||
| 228 | { | 228 | { |
| 229 | lock_superlock (lfname); | 229 | lock_superlock (lfname); |
| 230 | lock_file_1 (lfname, O_WRONLY) ; | 230 | lock_file_1 (lfname, O_WRONLY) ; |
| 231 | unlink (superlock_path); | 231 | unlink (superlock_file); |
| 232 | return; | 232 | return; |
| 233 | } | 233 | } |
| 234 | /* User says ignore the lock */ | 234 | /* User says ignore the lock */ |
| @@ -329,14 +329,14 @@ unlock_file (fn) | |||
| 329 | { | 329 | { |
| 330 | register char *lfname; | 330 | register char *lfname; |
| 331 | 331 | ||
| 332 | MAKE_LOCK_PATH (lfname, fn); | 332 | MAKE_LOCK_NAME (lfname, fn); |
| 333 | 333 | ||
| 334 | lock_superlock (lfname); | 334 | lock_superlock (lfname); |
| 335 | 335 | ||
| 336 | if (current_lock_owner_1 (lfname) == getpid ()) | 336 | if (current_lock_owner_1 (lfname) == getpid ()) |
| 337 | unlink (lfname); | 337 | unlink (lfname); |
| 338 | 338 | ||
| 339 | unlink (superlock_path); | 339 | unlink (superlock_file); |
| 340 | } | 340 | } |
| 341 | 341 | ||
| 342 | lock_superlock (lfname) | 342 | lock_superlock (lfname) |
| @@ -345,7 +345,7 @@ lock_superlock (lfname) | |||
| 345 | register int i, fd; | 345 | register int i, fd; |
| 346 | DIR *lockdir; | 346 | DIR *lockdir; |
| 347 | 347 | ||
| 348 | for (i = -20; i < 0 && (fd = open (superlock_path, | 348 | for (i = -20; i < 0 && (fd = open (superlock_file, |
| 349 | O_WRONLY | O_EXCL | O_CREAT, 0666)) < 0; | 349 | O_WRONLY | O_EXCL | O_CREAT, 0666)) < 0; |
| 350 | i++) | 350 | i++) |
| 351 | { | 351 | { |
| @@ -355,7 +355,7 @@ lock_superlock (lfname) | |||
| 355 | /* This seems to be necessary to prevent Emacs from hanging when the | 355 | /* This seems to be necessary to prevent Emacs from hanging when the |
| 356 | competing process has already deleted the superlock, but it's still | 356 | competing process has already deleted the superlock, but it's still |
| 357 | in the NFS cache. So we force NFS to synchronize the cache. */ | 357 | in the NFS cache. So we force NFS to synchronize the cache. */ |
| 358 | if (lockdir = opendir (lock_path)) | 358 | if (lockdir = opendir (lock_dir)) |
| 359 | closedir (lockdir); | 359 | closedir (lockdir); |
| 360 | 360 | ||
| 361 | sleep (1); | 361 | sleep (1); |
| @@ -363,7 +363,7 @@ lock_superlock (lfname) | |||
| 363 | if (fd >= 0) | 363 | if (fd >= 0) |
| 364 | { | 364 | { |
| 365 | #ifdef USG | 365 | #ifdef USG |
| 366 | chmod (superlock_path, 0666); | 366 | chmod (superlock_file, 0666); |
| 367 | #else | 367 | #else |
| 368 | fchmod (fd, 0666); | 368 | fchmod (fd, 0666); |
| 369 | #endif | 369 | #endif |
| @@ -439,7 +439,7 @@ t if it is locked by you, else a string of the name of the locker.") | |||
| 439 | 439 | ||
| 440 | fn = Fexpand_file_name (fn, Qnil); | 440 | fn = Fexpand_file_name (fn, Qnil); |
| 441 | 441 | ||
| 442 | MAKE_LOCK_PATH (lfname, fn); | 442 | MAKE_LOCK_NAME (lfname, fn); |
| 443 | 443 | ||
| 444 | owner = current_lock_owner (lfname); | 444 | owner = current_lock_owner (lfname); |
| 445 | if (owner <= 0) | 445 | if (owner <= 0) |
| @@ -455,25 +455,25 @@ t if it is locked by you, else a string of the name of the locker.") | |||
| 455 | 455 | ||
| 456 | init_filelock () | 456 | init_filelock () |
| 457 | { | 457 | { |
| 458 | char *new_path | 458 | char *new_name |
| 459 | 459 | ||
| 460 | lock_path = egetenv ("EMACSLOCKDIR"); | 460 | lock_dir = egetenv ("EMACSLOCKDIR"); |
| 461 | if (! lock_path) | 461 | if (! lock_dir) |
| 462 | lock_path = PATH_LOCK; | 462 | lock_dir = PATH_LOCK; |
| 463 | 463 | ||
| 464 | /* Copy the path in case egetenv got it from a Lisp string. */ | 464 | /* Copy the name in case egetenv got it from a Lisp string. */ |
| 465 | new_path = (char *) xmalloc (strlen (lock_path) + 2); | 465 | new_name = (char *) xmalloc (strlen (lock_dir) + 2); |
| 466 | strcpy (new_path, lock_path); | 466 | strcpy (new_name, lock_dir); |
| 467 | lock_path = new_path; | 467 | lock_dir = new_name; |
| 468 | 468 | ||
| 469 | /* Make sure it ends with a slash. */ | 469 | /* Make sure it ends with a slash. */ |
| 470 | if (lock_path[strlen (lock_path) - 1] != '/') | 470 | if (lock_dir[strlen (lock_dir) - 1] != '/') |
| 471 | strcat (lock_path, "/"); | 471 | strcat (lock_dir, "/"); |
| 472 | 472 | ||
| 473 | superlock_path = (char *) xmalloc ((strlen (lock_path) | 473 | superlock_file = (char *) xmalloc ((strlen (lock_dir) |
| 474 | + sizeof (SUPERLOCK_NAME))); | 474 | + sizeof (SUPERLOCK_NAME))); |
| 475 | strcpy (superlock_path, lock_path); | 475 | strcpy (superlock_file, lock_dir); |
| 476 | strcat (superlock_path, SUPERLOCK_NAME); | 476 | strcat (superlock_file, SUPERLOCK_NAME); |
| 477 | } | 477 | } |
| 478 | 478 | ||
| 479 | syms_of_filelock () | 479 | syms_of_filelock () |