hw/core: Add a config switch for the "register" device

[qemu.git] / os-posix.c

diff --git a/os-posix.c b/os-posix.c
index a2ba50d23f159f35beb46512d6b7357b5e015cf3..86cffd2c7def5d0353644654f0e26a4480e09312 100644 (file)
--- a/os-posix.c
+++ b/os-posix.c
@@ -29,12 +29,13 @@
 #include <grp.h>
 #include <libgen.h>
 
+#include "qemu-common.h"
 /* Needed early for CONFIG_BSD etc. */
-#include "sysemu/sysemu.h"
 #include "net/slirp.h"
 #include "qemu-options.h"
 #include "qemu/error-report.h"
 #include "qemu/log.h"
+#include "sysemu/runstate.h"
 #include "qemu/cutils.h"
 
 #ifdef CONFIG_LINUX
@@ -125,7 +126,7 @@ void os_set_proc_name(const char *s)
     /* Could rewrite argv[0] too, but that's a bit more complicated.
        This simple way is enough for `top'. */
     if (prctl(PR_SET_NAME, name)) {
-        perror("unable to change process name");
+        error_report("unable to change process name: %s", strerror(errno));
         exit(1);
     }
 #else
@@ -165,17 +166,9 @@ static bool os_parse_runas_uid_gid(const char *optarg)
  * Parse OS specific command line options.
  * return 0 if option handled, -1 otherwise
  */
-void os_parse_cmd_args(int index, const char *optarg)
+int os_parse_cmd_args(int index, const char *optarg)
 {
     switch (index) {
-#ifdef CONFIG_SLIRP
-    case QEMU_OPTION_smb:
-        error_report("The -smb option is deprecated. "
-                     "Please use '-netdev user,smb=...' instead.");
-        if (net_slirp_smb(optarg) < 0)
-            exit(1);
-        break;
-#endif
     case QEMU_OPTION_runas:
         user_pwd = getpwnam(optarg);
         if (user_pwd) {
@@ -199,7 +192,11 @@ void os_parse_cmd_args(int index, const char *optarg)
         fips_set_state(true);
         break;
 #endif
+    default:
+        return -1;
     }
+
+    return 0;
 }
 
 static void change_process_uid(void)
@@ -247,7 +244,7 @@ static void change_root(void)
             exit(1);
         }
         if (chdir("/")) {
-            perror("not able to chdir to /");
+            error_report("not able to chdir to /: %s", strerror(errno));
             exit(1);
         }
     }
@@ -309,7 +306,7 @@ void os_setup_post(void)
 
     if (daemonize) {
         if (chdir("/")) {
-            perror("not able to chdir to /");
+            error_report("not able to chdir to /: %s", strerror(errno));
             exit(1);
         }
         TFR(fd = qemu_open("/dev/null", O_RDWR));
@@ -348,30 +345,6 @@ void os_set_line_buffering(void)
     setvbuf(stdout, NULL, _IOLBF, 0);
 }
 
-int qemu_create_pidfile(const char *filename)
-{
-    char buffer[128];
-    int len;
-    int fd;
-
-    fd = qemu_open(filename, O_RDWR | O_CREAT, 0600);
-    if (fd == -1) {
-        return -1;
-    }
-    if (lockf(fd, F_TLOCK, 0) == -1) {
-        close(fd);
-        return -1;
-    }
-    len = snprintf(buffer, sizeof(buffer), FMT_pid "\n", getpid());
-    if (write(fd, buffer, len) != len) {
-        close(fd);
-        return -1;
-    }
-
-    /* keep pidfile open & locked forever */
-    return 0;
-}
-
 bool is_daemonized(void)
 {
     return daemonize;
@@ -383,7 +356,7 @@ int os_mlock(void)
 
     ret = mlockall(MCL_CURRENT | MCL_FUTURE);
     if (ret < 0) {
-        perror("mlockall");
+        error_report("mlockall: %s", strerror(errno));
     }
 
     return ret;