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-rw-r--r--libc/unistd/daemon.c51
-rw-r--r--libc/unistd/sysconf.c26
2 files changed, 69 insertions, 8 deletions
diff --git a/libc/unistd/daemon.c b/libc/unistd/daemon.c
index 741672ec0..c3b563179 100644
--- a/libc/unistd/daemon.c
+++ b/libc/unistd/daemon.c
@@ -46,6 +46,20 @@
#include <paths.h>
#include <signal.h>
#include <unistd.h>
+#include <not-cancel.h>
+#include <errno.h>
+
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <sys/stat.h>
+#endif
+
+#ifdef __UCLIBC_HAS_LFS__
+#define STAT stat64
+#define FSTAT fstat64
+#else
+#define STAT stat
+#define FSTAT fstat
+#endif
#if defined __USE_BSD || (defined __USE_XOPEN && !defined __USE_UNIX98)
@@ -97,15 +111,40 @@ int daemon(int nochdir, int noclose)
if (setsid() == -1)
return -1;
+#ifndef __UCLIBC_HAS_THREADS_NATIVE__
+ /* Make certain we are not a session leader, or else we
+ * might reacquire a controlling terminal */
+ if (fork())
+ _exit(0);
+#endif
+
if (!nochdir)
chdir("/");
- if (!noclose && (fd = open(_PATH_DEVNULL, O_RDWR)) != -1) {
- dup2(fd, STDIN_FILENO);
- dup2(fd, STDOUT_FILENO);
- dup2(fd, STDERR_FILENO);
- if (fd > 2)
- close(fd);
+ if (!noclose)
+ {
+ struct STAT st;
+
+ if ((fd = open_not_cancel(_PATH_DEVNULL, O_RDWR, 0)) != -1
+ && (__builtin_expect (FSTAT (fd, &st), 0) == 0))
+ {
+ if (__builtin_expect (S_ISCHR (st.st_mode), 1) != 0) {
+ dup2(fd, STDIN_FILENO);
+ dup2(fd, STDOUT_FILENO);
+ dup2(fd, STDERR_FILENO);
+ if (fd > 2)
+ close(fd);
+ } else {
+ /* We must set an errno value since no
+ function call actually failed. */
+ close_not_cancel_no_status (fd);
+ __set_errno (ENODEV);
+ return -1;
+ }
+ } else {
+ close_not_cancel_no_status (fd);
+ return -1;
+ }
}
return 0;
}
diff --git a/libc/unistd/sysconf.c b/libc/unistd/sysconf.c
index af4389bad..b92498b23 100644
--- a/libc/unistd/sysconf.c
+++ b/libc/unistd/sysconf.c
@@ -34,6 +34,9 @@
#ifdef __UCLIBC_HAS_REGEX__
#include <regex.h>
#endif
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include <sysdep.h>
+#endif
#ifdef HAVE_LINUX_CPUMASK_H
# include <linux/cpumask.h>
@@ -906,13 +909,32 @@ long int sysconf(int name)
#endif
case _SC_MONOTONIC_CLOCK:
-#if defined __UCLIBC_HAS_REALTIME__ && defined __NR_clock_getres
- /* Check using the clock_getres system call. */
+#ifdef __NR_clock_getres
+ /* Check using the clock_getres system call. */
+# ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ {
+ struct timespec ts;
+ INTERNAL_SYSCALL_DECL (err);
+ int r;
+ r = INTERNAL_SYSCALL (clock_getres, err, 2, CLOCK_MONOTONIC, &ts);
+ return INTERNAL_SYSCALL_ERROR_P (r, err) ? -1 : _POSIX_VERSION;
+ }
+# else
if (clock_getres(CLOCK_MONOTONIC, NULL) >= 0)
return _POSIX_VERSION;
+
+ RETURN_NEG_1;
+# endif
#endif
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+ case _SC_THREAD_CPUTIME:
+# if _POSIX_THREAD_CPUTIME > 0
+ return _POSIX_THREAD_CPUTIME;
+# else
RETURN_NEG_1;
+# endif
+#endif
}
}
libc_hidden_def(sysconf)