diff options
Diffstat (limited to 'src/readahead/sd-readahead.c')
-rw-r--r-- | src/readahead/sd-readahead.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/src/readahead/sd-readahead.c b/src/readahead/sd-readahead.c deleted file mode 100644 index 675d82cdd1..0000000000 --- a/src/readahead/sd-readahead.c +++ /dev/null @@ -1,89 +0,0 @@ -/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ - -/*** - Copyright 2010 Lennart Poettering - - Permission is hereby granted, free of charge, to any person - obtaining a copy of this software and associated documentation files - (the "Software"), to deal in the Software without restriction, - including without limitation the rights to use, copy, modify, merge, - publish, distribute, sublicense, and/or sell copies of the Software, - and to permit persons to whom the Software is furnished to do so, - subject to the following conditions: - - The above copyright notice and this permission notice shall be - included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS - BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN - ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE - SOFTWARE. -***/ - -#ifndef _GNU_SOURCE -# define _GNU_SOURCE -#endif - -#include <unistd.h> -#include <errno.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <fcntl.h> -#include <string.h> - -#include "sd-readahead.h" - -#if (__GNUC__ >= 4) -# ifdef SD_EXPORT_SYMBOLS -/* Export symbols */ -# define _sd_export_ __attribute__ ((visibility("default"))) -# else -/* Don't export the symbols */ -# define _sd_export_ __attribute__ ((visibility("hidden"))) -# endif -#else -# define _sd_export_ -#endif - -static int touch(const char *path) { - -#if !defined(DISABLE_SYSTEMD) && defined(__linux__) - int fd; - - mkdir("/run/systemd", 0755); - mkdir("/run/systemd/readahead", 0755); - - fd = open(path, O_WRONLY|O_CREAT|O_CLOEXEC|O_NOCTTY, 0666); - if (fd < 0) - return -errno; - - for (;;) { - if (close(fd) >= 0) - break; - - if (errno != EINTR) - return -errno; - } - -#endif - return 0; -} - -_sd_export_ int sd_readahead(const char *action) { - - if (!action) - return -EINVAL; - - if (strcmp(action, "cancel") == 0) - return touch("/run/systemd/readahead/cancel"); - else if (strcmp(action, "done") == 0) - return touch("/run/systemd/readahead/done"); - else if (strcmp(action, "noreplay") == 0) - return touch("/run/systemd/readahead/noreplay"); - - return -EINVAL; -} |