target/arm: Add wrapper macros for accessing tbflags

[qemu.git] / os-posix.c

diff --git a/os-posix.c b/os-posix.c
index 8f39447dd4fb7b0333804478720c51324c22935e..a6846f51c173690a2cbd8a56cee398536eff3db8 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
@@ -79,42 +80,6 @@ void os_setup_signal_handling(void)
     sigaction(SIGTERM, &act, NULL);
 }
 
-/* Find a likely location for support files using the location of the binary.
-   For installed binaries this will be "$bindir/../share/qemu".  When
-   running from the build tree this will be "$bindir/../pc-bios".  */
-#define SHARE_SUFFIX "/share/qemu"
-#define BUILD_SUFFIX "/pc-bios"
-char *os_find_datadir(void)
-{
-    char *dir, *exec_dir;
-    char *res;
-    size_t max_len;
-
-    exec_dir = qemu_get_exec_dir();
-    if (exec_dir == NULL) {
-        return NULL;
-    }
-    dir = g_path_get_dirname(exec_dir);
-
-    max_len = strlen(dir) +
-        MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
-    res = g_malloc0(max_len);
-    snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
-    if (access(res, R_OK)) {
-        snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
-        if (access(res, R_OK)) {
-            g_free(res);
-            res = NULL;
-        }
-    }
-
-    g_free(dir);
-    g_free(exec_dir);
-    return res;
-}
-#undef SHARE_SUFFIX
-#undef BUILD_SUFFIX
-
 void os_set_proc_name(const char *s)
 {
 #if defined(PR_SET_NAME)
@@ -188,6 +153,9 @@ int os_parse_cmd_args(int index, const char *optarg)
         break;
 #if defined(CONFIG_LINUX)
     case QEMU_OPTION_enablefips:
+        warn_report("-enable-fips is deprecated, please build QEMU with "
+                    "the `libgcrypt` library as the cryptography provider "
+                    "to enable FIPS compliance");
         fips_set_state(true);
         break;
 #endif
@@ -308,7 +276,7 @@ void os_setup_post(void)
             error_report("not able to chdir to /: %s", strerror(errno));
             exit(1);
         }
-        TFR(fd = qemu_open("/dev/null", O_RDWR));
+        TFR(fd = qemu_open_old("/dev/null", O_RDWR));
         if (fd == -1) {
             exit(1);
         }
@@ -344,30 +312,6 @@ 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;
@@ -375,6 +319,7 @@ bool is_daemonized(void)
 
 int os_mlock(void)
 {
+#ifdef HAVE_MLOCKALL
     int ret = 0;
 
     ret = mlockall(MCL_CURRENT | MCL_FUTURE);
@@ -383,4 +328,7 @@ int os_mlock(void)
     }
 
     return ret;
+#else
+    return -ENOSYS;
+#endif
 }