77 lines
1.8 KiB
Diff
77 lines
1.8 KiB
Diff
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--- src/killall5.c
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+++ src/killall5.c 2010-03-19 14:29:44.000000000 +0000
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@@ -444,6 +444,38 @@ int readarg(FILE *fp, char *buf, int sz)
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}
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/*
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+ * Scan the filedescriptors of pid for /dev/fuse
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+ */
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+int is_fuse(const char *pid) {
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+ DIR *dir;
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+ char path[256];
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+ char buf[256];
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+ struct dirent *d;
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+ ssize_t len;
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+
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+ /* Open /proc/pid/fd/ */
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+ snprintf(path, sizeof(path), "/proc/%s/fd", pid);
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+ if ((dir = opendir(path)) != NULL) {
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+ int dfd = dirfd(dir);
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+ /* Walk through the directory. */
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+ while ((d = readdir(dir)) != NULL) {
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+ if (*d->d_name == '.')
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+ continue;
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+ /* check for /dev/fuse */
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+ if ((len = readlinkat(dfd, d->d_name, buf, sizeof(buf))) > 0) {
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+ buf[len] = '\0';
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+ if (strcmp("/dev/fuse", buf) == 0)
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+ return 1; /* Fuse filesystem */
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+ }
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+ }
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+ closedir(dir);
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+ }
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+
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+ /* Not a fuse filesystem */
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+ return 0;
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+}
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+
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+/*
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* Read the proc filesystem.
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* CWD must be /proc to avoid problems if / is affected by the killing (ie depend on fuse).
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*/
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@@ -458,6 +490,7 @@ int readproc(int do_stat)
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char buf[PATH_MAX+1];
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char *s, *q;
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unsigned long startcode, endcode;
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+ ssize_t len;
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int pid, f;
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/* Open the /proc directory. */
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@@ -608,6 +641,26 @@ int readproc(int do_stat)
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p->nfs = 0;
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switch (do_stat) {
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+ case NO_STAT:
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+ if ((len = readlink(path, buf, PATH_MAX)) < 0)
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+ break;
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+ buf[len] = '\0';
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+
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+ /* Check for uevent handler, mdmon, and for providers
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+ of FUSE filesystems */
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+ if ((strncmp(buf, "/sbin/udevd", 11) == 0) ||
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+ (strncmp(buf, "/sbin/mdmon", 11) == 0) ||
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+ (is_fuse(d->d_name))) {
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+ OMIT *restrict optr;
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+
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+ xmemalign((void*)&optr, sizeof(void*), alignof(OMIT));
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+ optr->next = omit;
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+ optr->prev = (OMIT*)0;
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+ optr->pid = pid;
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+ omit = optr;
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+ }
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+
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+ break;
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case DO_NETFS:
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if ((p->nfs = check4nfs(path, buf)))
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break;
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