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util: add a function for running scripts

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Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Andrey Vagin
2012-09-17 20:05:39 +04:00
committed by Pavel Emelyanov
parent 45fa18487d
commit 8e90ed8c4d
2 changed files with 18 additions and 0 deletions
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1
include/util.h
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@@ -323,5 +323,6 @@ static inline int read_img_str(int fd, char **pstr, int size)
extern void *shmalloc(size_t bytes); extern void *shmalloc(size_t bytes);
extern void shfree_last(void *ptr); extern void shfree_last(void *ptr);
extern int run_scripts(char *action);
#endif /* UTIL_H_ */ #endif /* UTIL_H_ */

17
util.c
View File

@@ -387,3 +387,20 @@ void shfree_last(void *ptr)
sh_bytes_left += sh_last_size; sh_bytes_left += sh_last_size;
sh_last_size = 0; sh_last_size = 0;
} }
int run_scripts(char *action)
{
struct script *script;
int ret = 0;
if (setenv("CRTOOLS_SCRIPT_ACTION", action, 1)) {
pr_perror("Can't set CRTOOL_SCRIPT_ACTION=%s\n", action);
return -1;
}
list_for_each_entry(script, &opts.scripts, node)
ret |= system(script->path);
unsetenv("CRTOOLS_SCRIPT_ACTION");
return ret;
}