diff options
Diffstat (limited to 'include/qemu/osdep.h')
| -rw-r--r-- | include/qemu/osdep.h | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 191916f..96fe51b 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -8,7 +8,7 @@ * To avoid getting into possible circular include dependencies, this * file should not include any other QEMU headers, with the exceptions * of config-host.h, config-target.h, qemu/compiler.h, - * sysemu/os-posix.h, sysemu/os-win32.h, glib-compat.h and + * system/os-posix.h, system/os-win32.h, system/os-wasm.h, glib-compat.h and * qemu/typedefs.h, all of which are doing a similar job to this file * and are under similar constraints. * @@ -128,7 +128,7 @@ QEMU_EXTERN_C int daemon(int, int); #include <sys/stat.h> #include <sys/time.h> #include <assert.h> -/* setjmp must be declared before sysemu/os-win32.h +/* setjmp must be declared before system/os-win32.h * because it is redefined there. */ #include <setjmp.h> #include <signal.h> @@ -161,11 +161,15 @@ QEMU_EXTERN_C int daemon(int, int); #include "glib-compat.h" #ifdef _WIN32 -#include "sysemu/os-win32.h" +#include "system/os-win32.h" #endif -#ifdef CONFIG_POSIX -#include "sysemu/os-posix.h" +#if defined(CONFIG_POSIX) && !defined(EMSCRIPTEN) +#include "system/os-posix.h" +#endif + +#if defined(EMSCRIPTEN) +#include "system/os-wasm.h" #endif #ifdef __cplusplus @@ -297,6 +301,10 @@ void QEMU_ERROR("code path is reachable") #error building with G_DISABLE_ASSERT is not supported #endif +#ifndef OFF_MAX +#define OFF_MAX (sizeof (off_t) == 8 ? INT64_MAX : INT32_MAX) +#endif + #ifndef O_LARGEFILE #define O_LARGEFILE 0 #endif @@ -399,7 +407,7 @@ void QEMU_ERROR("code path is reachable") }) #undef MIN #define MIN(a, b) \ - MIN_INTERNAL((a), (b), MAKE_IDENTFIER(_a), MAKE_IDENTFIER(_b)) + MIN_INTERNAL((a), (b), MAKE_IDENTIFIER(_a), MAKE_IDENTIFIER(_b)) #define MAX_INTERNAL(a, b, _a, _b) \ ({ \ @@ -408,7 +416,7 @@ void QEMU_ERROR("code path is reachable") }) #undef MAX #define MAX(a, b) \ - MAX_INTERNAL((a), (b), MAKE_IDENTFIER(_a), MAKE_IDENTFIER(_b)) + MAX_INTERNAL((a), (b), MAKE_IDENTIFIER(_a), MAKE_IDENTIFIER(_b)) #ifdef __COVERITY__ # define MIN_CONST(a, b) ((a) < (b) ? (a) : (b)) @@ -440,7 +448,7 @@ void QEMU_ERROR("code path is reachable") _a == 0 ? _b : (_b == 0 || _b > _a) ? _a : _b; \ }) #define MIN_NON_ZERO(a, b) \ - MIN_NON_ZERO_INTERNAL((a), (b), MAKE_IDENTFIER(_a), MAKE_IDENTFIER(_b)) + MIN_NON_ZERO_INTERNAL((a), (b), MAKE_IDENTIFIER(_a), MAKE_IDENTIFIER(_b)) /* * Round number down to multiple. Safe when m is not a power of 2 (see @@ -505,6 +513,7 @@ int qemu_daemon(int nochdir, int noclose); void *qemu_anon_ram_alloc(size_t size, uint64_t *align, bool shared, bool noreserve); void qemu_anon_ram_free(void *ptr, size_t size); +int qemu_shm_alloc(size_t size, Error **errp); #ifdef _WIN32 #define HAVE_CHARDEV_SERIAL 1 @@ -626,6 +635,15 @@ bool qemu_write_pidfile(const char *pidfile, Error **errp); int qemu_get_thread_id(void); +/** + * qemu_kill_thread: + * @tid: thread id. + * @sig: host signal. + * + * Send @sig to one of QEMU's own threads with identifier @tid. + */ +int qemu_kill_thread(int tid, int sig); + #ifndef CONFIG_IOVEC struct iovec { void *iov_base; @@ -758,6 +776,17 @@ static inline void qemu_reset_optind(void) int qemu_fdatasync(int fd); /** + * qemu_close_all_open_fd: + * + * Close all open file descriptors except the ones supplied in the @skip array + * + * @skip: ordered array of distinct file descriptors that should not be closed + * if any, or NULL. + * @nskip: number of entries in the @skip array or 0 if @skip is NULL. + */ +void qemu_close_all_open_fd(const int *skip, unsigned int nskip); + +/** * Sync changes made to the memory mapped file back to the backing * storage. For POSIX compliant systems this will fallback * to regular msync call. Otherwise it will trigger whole file sync @@ -786,8 +815,7 @@ size_t qemu_get_host_physmem(void); * Toggle write/execute on the pages marked MAP_JIT * for the current thread. */ -#if defined(MAC_OS_VERSION_11_0) && \ - MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_VERSION_11_0 +#ifdef __APPLE__ static inline void qemu_thread_jit_execute(void) { pthread_jit_write_protect_np(true); |