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Move implementation of closefrom(3) from app.c to strcompat.c

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@233358 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2009-12-06 07:01:06 +00:00
parent 4fd45889df
commit cfd17ef0a6
3 changed files with 38 additions and 19 deletions
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34
main/strcompat.c
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@@ -22,6 +22,10 @@
#include "asterisk.h"
#include <ctype.h>
#include <sys/time.h> /* for getrlimit(2) */
#include <sys/resource.h> /* for getrlimit(2) */
#include <sys/types.h> /* for opendir(3) */
#include <dirent.h> /* for opendir(3) */
#ifndef HAVE_STRSEP
char *strsep(char **str, const char *delims)
@@ -399,3 +403,33 @@ int ffsll(long long n)
}
#endif
#ifndef HAVE_CLOSEFROM
void closefrom(int n)
{
long x;
struct rlimit rl;
DIR *dir;
char path[16], *result;
struct dirent *entry;
snprintf(path, sizeof(path), "/proc/%d/fd", (int) getpid());
if ((dir = opendir(path))) {
while ((entry = readdir(dir))) {
/* Skip . and .. */
if (entry->d_name[0] == '.') {
continue;
}
if ((x = strtol(entry->d_name, &result, 10)) && x >= n) {
close(x);
}
}
closedir(dir);
} else {
getrlimit(RLIMIT_NOFILE, &rl);
for (x = n; x < rl.rlim_cur; x++) {
close(x);
}
}
}
#endif