X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Futil.c;h=69eb14be615f656609dbe383c9956875c8da97c9;hb=dce3acd2e2447a9de642768f86e39d7c9d5bee81;hp=2e5827f32dcf3671a26545d5250312e265bcb8c3;hpb=fa776d8e962da9d90459e2f3e86a2a0c6366ee12;p=elogind.git

diff --git a/src/util.c b/src/util.c
index 2e5827f32..69eb14be6 100644
--- a/src/util.c
+++ b/src/util.c
@@ -956,7 +956,6 @@ int mkdir_parents(const char *path, mode_t mode) {
                         return -ENOMEM;
 
                 r = mkdir(t, mode);
-
                 free(t);
 
                 if (r < 0 && errno != EEXIST)
@@ -972,7 +971,7 @@ int mkdir_p(const char *path, mode_t mode) {
         if ((r = mkdir_parents(path, mode)) < 0)
                 return r;
 
-        if (mkdir(path, mode) < 0)
+        if (mkdir(path, mode) < 0 && errno != EEXIST)
                 return -errno;
 
         return 0;
@@ -2825,6 +2824,25 @@ int columns(void) {
         return parsed_columns;
 }
 
+int running_in_chroot(void) {
+        struct stat a, b;
+
+        zero(a);
+        zero(b);
+
+        /* Only works as root */
+
+        if (stat("/proc/1/root", &a) < 0)
+                return -errno;
+
+        if (stat("/", &b) < 0)
+                return -errno;
+
+        return
+                a.st_dev != b.st_dev ||
+                a.st_ino != b.st_ino;
+}
+
 static const char *const ioprio_class_table[] = {
         [IOPRIO_CLASS_NONE] = "none",
         [IOPRIO_CLASS_RT] = "realtime",
@@ -2922,3 +2940,39 @@ static const char* const ip_tos_table[] = {
 };
 
 DEFINE_STRING_TABLE_LOOKUP(ip_tos, int);
+
+static const char *const signal_table[] = {
+        [SIGHUP] = "HUP",
+        [SIGINT] = "INT",
+        [SIGQUIT] = "QUIT",
+        [SIGILL] = "ILL",
+        [SIGTRAP] = "TRAP",
+        [SIGABRT] = "ABRT",
+        [SIGBUS] = "BUS",
+        [SIGFPE] = "FPE",
+        [SIGKILL] = "KILL",
+        [SIGUSR1] = "USR1",
+        [SIGSEGV] = "SEGV",
+        [SIGUSR2] = "USR2",
+        [SIGPIPE] = "PIPE",
+        [SIGALRM] = "ALRM",
+        [SIGTERM] = "TERM",
+        [SIGSTKFLT] = "STKFLT",
+        [SIGCHLD] = "CHLD",
+        [SIGCONT] = "CONT",
+        [SIGSTOP] = "STOP",
+        [SIGTSTP] = "TSTP",
+        [SIGTTIN] = "TTIN",
+        [SIGTTOU] = "TTOU",
+        [SIGURG] = "URG",
+        [SIGXCPU] = "XCPU",
+        [SIGXFSZ] = "XFSZ",
+        [SIGVTALRM] = "VTALRM",
+        [SIGPROF] = "PROF",
+        [SIGWINCH] = "WINCH",
+        [SIGIO] = "IO",
+        [SIGPWR] = "PWR",
+        [SIGSYS] = "SYS"
+};
+
+DEFINE_STRING_TABLE_LOOKUP(signal, int);