X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=osdep.c;h=56e6963f1572589d1dbfc3bda8915ae6368ffd5a;hb=4a81ab81e4d947a3a0c8408c743ad94e7c1b8a30;hp=581768a90624f9817b4f8613d943e8132bcab7a9;hpb=c1b0b93b06ab026ef45ae02d0ee7557741910637;p=qemu.git diff --git a/osdep.c b/osdep.c index 581768a90..56e6963f1 100644 --- a/osdep.c +++ b/osdep.c @@ -44,21 +44,8 @@ extern int madvise(caddr_t, size_t, int); #endif -#ifdef CONFIG_EVENTFD -#include -#endif - -#ifdef _WIN32 -#include -#elif defined(CONFIG_BSD) -#include -#else -#include -#endif - #include "qemu-common.h" #include "trace.h" -#include "sysemu.h" #include "qemu_socket.h" int qemu_madvise(void *addr, size_t len, int advice) @@ -77,113 +64,6 @@ int qemu_madvise(void *addr, size_t len, int advice) #endif } -int qemu_create_pidfile(const char *filename) -{ - char buffer[128]; - int len; -#ifndef _WIN32 - int fd; - - fd = qemu_open(filename, O_RDWR | O_CREAT, 0600); - if (fd == -1) - return -1; - - if (lockf(fd, F_TLOCK, 0) == -1) - return -1; - - len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid()); - if (write(fd, buffer, len) != len) - return -1; -#else - HANDLE file; - OVERLAPPED overlap; - BOOL ret; - memset(&overlap, 0, sizeof(overlap)); - - file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL, - OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); - - if (file == INVALID_HANDLE_VALUE) - return -1; - - len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid()); - ret = WriteFileEx(file, (LPCVOID)buffer, (DWORD)len, - &overlap, NULL); - if (ret == 0) - return -1; -#endif - return 0; -} - -#ifdef _WIN32 - -/* mingw32 needs ffs for compilations without optimization. */ -int ffs(int i) -{ - /* Use gcc's builtin ffs. */ - return __builtin_ffs(i); -} - -/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */ -#define _W32_FT_OFFSET (116444736000000000ULL) - -int qemu_gettimeofday(qemu_timeval *tp) -{ - union { - unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */ - FILETIME ft; - } _now; - - if(tp) - { - GetSystemTimeAsFileTime (&_now.ft); - tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL ); - tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL); - } - /* Always return 0 as per Open Group Base Specifications Issue 6. - Do not set errno on error. */ - return 0; -} -#endif /* _WIN32 */ - - -#ifdef _WIN32 -void socket_set_nonblock(int fd) -{ - unsigned long opt = 1; - ioctlsocket(fd, FIONBIO, &opt); -} - -int inet_aton(const char *cp, struct in_addr *ia) -{ - uint32_t addr = inet_addr(cp); - if (addr == 0xffffffff) - return 0; - ia->s_addr = addr; - return 1; -} - -void qemu_set_cloexec(int fd) -{ -} - -#else - -void socket_set_nonblock(int fd) -{ - int f; - f = fcntl(fd, F_GETFL); - fcntl(fd, F_SETFL, f | O_NONBLOCK); -} - -void qemu_set_cloexec(int fd) -{ - int f; - f = fcntl(fd, F_GETFD); - fcntl(fd, F_SETFD, f | FD_CLOEXEC); -} - -#endif /* * Opens a file with FD_CLOEXEC set @@ -245,58 +125,6 @@ ssize_t qemu_write_full(int fd, const void *buf, size_t count) return total; } -#ifndef _WIN32 -/* - * Creates an eventfd that looks like a pipe and has EFD_CLOEXEC set. - */ -int qemu_eventfd(int fds[2]) -{ -#ifdef CONFIG_EVENTFD - int ret; - - ret = eventfd(0, 0); - if (ret >= 0) { - fds[0] = ret; - qemu_set_cloexec(ret); - if ((fds[1] = dup(ret)) == -1) { - close(ret); - return -1; - } - qemu_set_cloexec(fds[1]); - return 0; - } - - if (errno != ENOSYS) { - return -1; - } -#endif - - return qemu_pipe(fds); -} - -/* - * Creates a pipe with FD_CLOEXEC set on both file descriptors - */ -int qemu_pipe(int pipefd[2]) -{ - int ret; - -#ifdef CONFIG_PIPE2 - ret = pipe2(pipefd, O_CLOEXEC); - if (ret != -1 || errno != ENOSYS) { - return ret; - } -#endif - ret = pipe(pipefd); - if (ret == 0) { - qemu_set_cloexec(pipefd[0]); - qemu_set_cloexec(pipefd[1]); - } - - return ret; -} -#endif - /* * Opens a socket with FD_CLOEXEC set */