diff options
Diffstat (limited to 'util')
| -rw-r--r-- | util/compatfd.c | 2 | ||||
| -rw-r--r-- | util/coroutine-ucontext.c | 56 | ||||
| -rw-r--r-- | util/drm.c | 19 | ||||
| -rw-r--r-- | util/module.c | 6 | ||||
| -rw-r--r-- | util/oslib-posix.c | 81 | ||||
| -rw-r--r-- | util/oslib-win32.c | 70 | ||||
| -rw-r--r-- | util/qemu-error.c | 7 | ||||
| -rw-r--r-- | util/qemu-openpty.c | 2 |
8 files changed, 177 insertions, 66 deletions
diff --git a/util/compatfd.c b/util/compatfd.c index c296f55d14..ee47dd8089 100644 --- a/util/compatfd.c +++ b/util/compatfd.c @@ -16,7 +16,9 @@ #include "qemu/osdep.h" #include "qemu/thread.h" +#if defined(CONFIG_SIGNALFD) #include <sys/syscall.h> +#endif struct sigfd_compat_info { diff --git a/util/coroutine-ucontext.c b/util/coroutine-ucontext.c index f0b66320e1..904b375192 100644 --- a/util/coroutine-ucontext.c +++ b/util/coroutine-ucontext.c @@ -52,8 +52,10 @@ typedef struct { #endif sigjmp_buf env; +#ifdef CONFIG_TSAN void *tsan_co_fiber; void *tsan_caller_fiber; +#endif #ifdef CONFIG_VALGRIND_H unsigned int valgrind_stack_id; @@ -77,7 +79,10 @@ union cc_arg { int i[2]; }; -/* QEMU_ALWAYS_INLINE only does so if __OPTIMIZE__, so we cannot use it. */ +/* + * QEMU_ALWAYS_INLINE only does so if __OPTIMIZE__, so we cannot use it. + * always_inline is required to avoid TSan runtime fatal errors. + */ static inline __attribute__((always_inline)) void on_new_fiber(CoroutineUContext *co) { @@ -87,6 +92,7 @@ void on_new_fiber(CoroutineUContext *co) #endif } +/* always_inline is required to avoid TSan runtime fatal errors. */ static inline __attribute__((always_inline)) void finish_switch_fiber(void *fake_stack_save) { @@ -109,18 +115,29 @@ void finish_switch_fiber(void *fake_stack_save) #endif } -static inline __attribute__((always_inline)) void start_switch_fiber( - CoroutineAction action, void **fake_stack_save, - const void *bottom, size_t size, void *new_fiber) +/* always_inline is required to avoid TSan runtime fatal errors. */ +static inline __attribute__((always_inline)) +void start_switch_fiber_asan(CoroutineAction action, void **fake_stack_save, + const void *bottom, size_t size) { #ifdef CONFIG_ASAN __sanitizer_start_switch_fiber( action == COROUTINE_TERMINATE ? NULL : fake_stack_save, bottom, size); #endif +} + +/* always_inline is required to avoid TSan runtime fatal errors. */ +static inline __attribute__((always_inline)) +void start_switch_fiber_tsan(void **fake_stack_save, + CoroutineUContext *co, + bool caller) +{ #ifdef CONFIG_TSAN - void *curr_fiber = - __tsan_get_current_fiber(); + void *new_fiber = caller ? + co->tsan_caller_fiber : + co->tsan_co_fiber; + void *curr_fiber = __tsan_get_current_fiber(); __tsan_acquire(curr_fiber); *fake_stack_save = curr_fiber; @@ -144,12 +161,9 @@ static void coroutine_trampoline(int i0, int i1) /* Initialize longjmp environment and switch back the caller */ if (!sigsetjmp(self->env, 0)) { - start_switch_fiber( - COROUTINE_YIELD, - &fake_stack_save, - leader.stack, - leader.stack_size, - self->tsan_caller_fiber); + start_switch_fiber_asan(COROUTINE_YIELD, &fake_stack_save, leader.stack, + leader.stack_size); + start_switch_fiber_tsan(&fake_stack_save, self, true); /* true=caller */ siglongjmp(*(sigjmp_buf *)co->entry_arg, 1); } @@ -208,10 +222,10 @@ Coroutine *qemu_coroutine_new(void) /* swapcontext() in, siglongjmp() back out */ if (!sigsetjmp(old_env, 0)) { - start_switch_fiber( - COROUTINE_YIELD, - &fake_stack_save, - co->stack, co->stack_size, co->tsan_co_fiber); + start_switch_fiber_asan(COROUTINE_YIELD, &fake_stack_save, co->stack, + co->stack_size); + start_switch_fiber_tsan(&fake_stack_save, + co, false); /* false=not caller */ #ifdef CONFIG_SAFESTACK /* @@ -237,8 +251,8 @@ Coroutine *qemu_coroutine_new(void) } #ifdef CONFIG_VALGRIND_H -#if defined(CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE) && !defined(__clang__) /* Work around an unused variable in the valgrind.h macro... */ +#if !defined(__clang__) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wunused-but-set-variable" #endif @@ -246,7 +260,7 @@ static inline void valgrind_stack_deregister(CoroutineUContext *co) { VALGRIND_STACK_DEREGISTER(co->valgrind_stack_id); } -#if defined(CONFIG_PRAGMA_DIAGNOSTIC_AVAILABLE) && !defined(__clang__) +#if !defined(__clang__) #pragma GCC diagnostic pop #endif #endif @@ -287,8 +301,10 @@ qemu_coroutine_switch(Coroutine *from_, Coroutine *to_, ret = sigsetjmp(from->env, 0); if (ret == 0) { - start_switch_fiber(action, &fake_stack_save, - to->stack, to->stack_size, to->tsan_co_fiber); + start_switch_fiber_asan(action, &fake_stack_save, to->stack, + to->stack_size); + start_switch_fiber_tsan(&fake_stack_save, + to, false); /* false=not caller */ siglongjmp(to->env, action); } diff --git a/util/drm.c b/util/drm.c index a23ff24538..dae8ffebc8 100644 --- a/util/drm.c +++ b/util/drm.c @@ -24,7 +24,8 @@ int qemu_drm_rendernode_open(const char *rendernode) { DIR *dir; struct dirent *e; - int r, fd; + struct stat st; + int r, fd, ret; char *p; if (rendernode) { @@ -38,10 +39,6 @@ int qemu_drm_rendernode_open(const char *rendernode) fd = -1; while ((e = readdir(dir))) { - if (e->d_type != DT_CHR) { - continue; - } - if (strncmp(e->d_name, "renderD", 7)) { continue; } @@ -53,6 +50,18 @@ int qemu_drm_rendernode_open(const char *rendernode) g_free(p); continue; } + + /* + * prefer fstat() over checking e->d_type == DT_CHR for + * portability reasons + */ + ret = fstat(r, &st); + if (ret < 0 || (st.st_mode & S_IFMT) != S_IFCHR) { + close(r); + g_free(p); + continue; + } + fd = r; g_free(p); break; diff --git a/util/module.c b/util/module.c index 32b0547b82..90e9bd42c6 100644 --- a/util/module.c +++ b/util/module.c @@ -266,12 +266,6 @@ static struct { { "usb-redir", "hw-", "usb-redirect" }, { "qxl-vga", "hw-", "display-qxl" }, { "qxl", "hw-", "display-qxl" }, - { "virtio-gpu-device", "hw-", "display-virtio-gpu" }, - { "virtio-gpu-pci", "hw-", "display-virtio-gpu" }, - { "virtio-vga", "hw-", "display-virtio-gpu" }, - { "vhost-user-gpu-device", "hw-", "display-virtio-gpu" }, - { "vhost-user-gpu-pci", "hw-", "display-virtio-gpu" }, - { "vhost-user-vga", "hw-", "display-virtio-gpu" }, { "chardev-braille", "chardev-", "baum" }, }; diff --git a/util/oslib-posix.c b/util/oslib-posix.c index 39ddc77c85..36bf8593f8 100644 --- a/util/oslib-posix.c +++ b/util/oslib-posix.c @@ -38,7 +38,6 @@ #include "qemu/sockets.h" #include "qemu/thread.h" #include <libgen.h> -#include <sys/signal.h> #include "qemu/cutils.h" #ifdef CONFIG_LINUX @@ -61,6 +60,10 @@ #include <mach-o/dyld.h> #endif +#ifdef __HAIKU__ +#include <kernel/image.h> +#endif + #include "qemu/mmap-alloc.h" #ifdef CONFIG_DEBUG_STACK_USAGE @@ -257,25 +260,35 @@ void qemu_set_block(int fd) assert(f != -1); } -void qemu_set_nonblock(int fd) +int qemu_try_set_nonblock(int fd) { int f; f = fcntl(fd, F_GETFL); - assert(f != -1); - f = fcntl(fd, F_SETFL, f | O_NONBLOCK); -#ifdef __OpenBSD__ if (f == -1) { + return -errno; + } + if (fcntl(fd, F_SETFL, f | O_NONBLOCK) == -1) { +#ifdef __OpenBSD__ /* * Previous to OpenBSD 6.3, fcntl(F_SETFL) is not permitted on * memory devices and sets errno to ENODEV. * It's OK if we fail to set O_NONBLOCK on devices like /dev/null, * because they will never block anyway. */ - assert(errno == ENODEV); - } -#else - assert(f != -1); + if (errno == ENODEV) { + return 0; + } #endif + return -errno; + } + return 0; +} + +void qemu_set_nonblock(int fd) +{ + int f; + f = qemu_try_set_nonblock(fd); + assert(f == 0); } int socket_set_fast_reuse(int fd) @@ -390,6 +403,21 @@ void qemu_init_exec_dir(const char *argv0) } } } +#elif defined(__HAIKU__) + { + image_info ii; + int32_t c = 0; + + *buf = '\0'; + while (get_next_image_info(0, &c, &ii) == B_OK) { + if (ii.type == B_APP_IMAGE) { + strncpy(buf, ii.name, sizeof(buf)); + buf[sizeof(buf) - 1] = 0; + p = buf; + break; + } + } + } #endif /* If we don't have any way of figuring out the actual executable location then try argv[0]. */ @@ -776,3 +804,38 @@ void sigaction_invoke(struct sigaction *action, } action->sa_sigaction(info->ssi_signo, &si, NULL); } + +#ifndef HOST_NAME_MAX +# ifdef _POSIX_HOST_NAME_MAX +# define HOST_NAME_MAX _POSIX_HOST_NAME_MAX +# else +# define HOST_NAME_MAX 255 +# endif +#endif + +char *qemu_get_host_name(Error **errp) +{ + long len = -1; + g_autofree char *hostname = NULL; + +#ifdef _SC_HOST_NAME_MAX + len = sysconf(_SC_HOST_NAME_MAX); +#endif /* _SC_HOST_NAME_MAX */ + + if (len < 0) { + len = HOST_NAME_MAX; + } + + /* Unfortunately, gethostname() below does not guarantee a + * NULL terminated string. Therefore, allocate one byte more + * to be sure. */ + hostname = g_new0(char, len + 1); + + if (gethostname(hostname, len) < 0) { + error_setg_errno(errp, errno, + "cannot get hostname"); + return NULL; + } + + return g_steal_pointer(&hostname); +} diff --git a/util/oslib-win32.c b/util/oslib-win32.c index e9b14ab178..7eedbe5859 100644 --- a/util/oslib-win32.c +++ b/util/oslib-win32.c @@ -132,31 +132,6 @@ struct tm *localtime_r(const time_t *timep, struct tm *result) } #endif /* CONFIG_LOCALTIME_R */ -void qemu_set_block(int fd) -{ - unsigned long opt = 0; - WSAEventSelect(fd, NULL, 0); - ioctlsocket(fd, FIONBIO, &opt); -} - -void qemu_set_nonblock(int fd) -{ - unsigned long opt = 1; - ioctlsocket(fd, FIONBIO, &opt); - qemu_fd_register(fd); -} - -int socket_set_fast_reuse(int fd) -{ - /* Enabling the reuse of an endpoint that was used by a socket still in - * TIME_WAIT state is usually performed by setting SO_REUSEADDR. On Windows - * fast reuse is the default and SO_REUSEADDR does strange things. So we - * don't have to do anything here. More info can be found at: - * http://msdn.microsoft.com/en-us/library/windows/desktop/ms740621.aspx */ - return 0; -} - - static int socket_error(void) { switch (WSAGetLastError()) { @@ -233,6 +208,38 @@ static int socket_error(void) } } +void qemu_set_block(int fd) +{ + unsigned long opt = 0; + WSAEventSelect(fd, NULL, 0); + ioctlsocket(fd, FIONBIO, &opt); +} + +int qemu_try_set_nonblock(int fd) +{ + unsigned long opt = 1; + if (ioctlsocket(fd, FIONBIO, &opt) != NO_ERROR) { + return -socket_error(); + } + qemu_fd_register(fd); + return 0; +} + +void qemu_set_nonblock(int fd) +{ + (void)qemu_try_set_nonblock(fd); +} + +int socket_set_fast_reuse(int fd) +{ + /* Enabling the reuse of an endpoint that was used by a socket still in + * TIME_WAIT state is usually performed by setting SO_REUSEADDR. On Windows + * fast reuse is the default and SO_REUSEADDR does strange things. So we + * don't have to do anything here. More info can be found at: + * http://msdn.microsoft.com/en-us/library/windows/desktop/ms740621.aspx */ + return 0; +} + int inet_aton(const char *cp, struct in_addr *ia) { uint32_t addr = inet_addr(cp); @@ -808,3 +815,16 @@ bool qemu_write_pidfile(const char *filename, Error **errp) } return true; } + +char *qemu_get_host_name(Error **errp) +{ + wchar_t tmp[MAX_COMPUTERNAME_LENGTH + 1]; + DWORD size = G_N_ELEMENTS(tmp); + + if (GetComputerNameW(tmp, &size) == 0) { + error_setg_win32(errp, GetLastError(), "failed close handle"); + return NULL; + } + + return g_utf16_to_utf8(tmp, size, NULL, NULL, NULL); +} diff --git a/util/qemu-error.c b/util/qemu-error.c index dac7c7dc50..3ee41438e9 100644 --- a/util/qemu-error.c +++ b/util/qemu-error.c @@ -26,6 +26,8 @@ typedef enum { /* Prepend timestamp to messages */ bool error_with_timestamp; +bool error_with_guestname; +const char *error_guest_name; int error_printf(const char *fmt, ...) { @@ -213,6 +215,11 @@ static void vreport(report_type type, const char *fmt, va_list ap) g_free(timestr); } + /* Only prepend guest name if -msg guest-name and -name guest=... are set */ + if (error_with_guestname && error_guest_name && !cur_mon) { + error_printf("%s ", error_guest_name); + } + print_loc(); switch (type) { diff --git a/util/qemu-openpty.c b/util/qemu-openpty.c index 4b8df96f38..eb17f5b0bc 100644 --- a/util/qemu-openpty.c +++ b/util/qemu-openpty.c @@ -35,7 +35,7 @@ #include "qemu/osdep.h" #include "qemu-common.h" -#if defined(__GLIBC__) +#if defined HAVE_PTY_H # include <pty.h> #elif defined CONFIG_BSD # include <termios.h> |