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Diffstat (limited to 'i/pc104/initrd/conf/busybox/libbb/find_pid_by_name.c')
-rw-r--r--i/pc104/initrd/conf/busybox/libbb/find_pid_by_name.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/libbb/find_pid_by_name.c b/i/pc104/initrd/conf/busybox/libbb/find_pid_by_name.c
new file mode 100644
index 0000000..e986169
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/libbb/find_pid_by_name.c
@@ -0,0 +1,55 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
+ *
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
+ */
+
+#include "libbb.h"
+
+/* find_pid_by_name()
+ *
+ * Modified by Vladimir Oleynik for use with libbb/procps.c
+ * This finds the pid of the specified process.
+ * Currently, it's implemented by rummaging through
+ * the proc filesystem.
+ *
+ * Returns a list of all matching PIDs
+ * It is the caller's duty to free the returned pidlist.
+ */
+pid_t* find_pid_by_name(const char* procName)
+{
+ pid_t* pidList;
+ int i = 0;
+ procps_status_t* p = NULL;
+
+ pidList = xmalloc(sizeof(*pidList));
+ while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_COMM))) {
+ if (strncmp(p->comm, procName, sizeof(p->comm)-1) == 0) {
+ pidList = xrealloc(pidList, sizeof(*pidList) * (i+2));
+ pidList[i++] = p->pid;
+ }
+ }
+
+ pidList[i] = 0;
+ return pidList;
+}
+
+pid_t *pidlist_reverse(pid_t *pidList)
+{
+ int i = 0;
+ while (pidList[i])
+ i++;
+ if (--i >= 0) {
+ pid_t k;
+ int j;
+ for (j = 0; i > j; i--, j++) {
+ k = pidList[i];
+ pidList[i] = pidList[j];
+ pidList[j] = k;
+ }
+ }
+ return pidList;
+}