diff options
Diffstat (limited to 'Utilities/cmlibuv/src/unix/linux-syscalls.c')
| -rw-r--r-- | Utilities/cmlibuv/src/unix/linux-syscalls.c | 96 |
1 files changed, 79 insertions, 17 deletions
diff --git a/Utilities/cmlibuv/src/unix/linux-syscalls.c b/Utilities/cmlibuv/src/unix/linux-syscalls.c index 742f26ada8..44daaf12d4 100644 --- a/Utilities/cmlibuv/src/unix/linux-syscalls.c +++ b/Utilities/cmlibuv/src/unix/linux-syscalls.c @@ -37,8 +37,6 @@ #ifndef __NR_recvmmsg # if defined(__x86_64__) # define __NR_recvmmsg 299 -# elif defined(__i386__) -# define __NR_recvmmsg 337 # elif defined(__arm__) # define __NR_recvmmsg (UV_SYSCALL_BASE + 365) # endif @@ -47,8 +45,6 @@ #ifndef __NR_sendmmsg # if defined(__x86_64__) # define __NR_sendmmsg 307 -# elif defined(__i386__) -# define __NR_sendmmsg 345 # elif defined(__arm__) # define __NR_sendmmsg (UV_SYSCALL_BASE + 374) # endif @@ -94,6 +90,24 @@ # endif #endif /* __NR_pwritev */ +#ifndef __NR_copy_file_range +# if defined(__x86_64__) +# define __NR_copy_file_range 326 +# elif defined(__i386__) +# define __NR_copy_file_range 377 +# elif defined(__s390__) +# define __NR_copy_file_range 375 +# elif defined(__arm__) +# define __NR_copy_file_range (UV_SYSCALL_BASE + 391) +# elif defined(__aarch64__) +# define __NR_copy_file_range 285 +# elif defined(__powerpc__) +# define __NR_copy_file_range 379 +# elif defined(__arc__) +# define __NR_copy_file_range 285 +# endif +#endif /* __NR_copy_file_range */ + #ifndef __NR_statx # if defined(__x86_64__) # define __NR_statx 332 @@ -128,25 +142,51 @@ struct uv__mmsghdr; -int uv__sendmmsg(int fd, - struct uv__mmsghdr* mmsg, - unsigned int vlen, - unsigned int flags) { -#if defined(__NR_sendmmsg) - return syscall(__NR_sendmmsg, fd, mmsg, vlen, flags); +int uv__sendmmsg(int fd, struct uv__mmsghdr* mmsg, unsigned int vlen) { +#if defined(__i386__) + unsigned long args[4]; + int rc; + + args[0] = (unsigned long) fd; + args[1] = (unsigned long) mmsg; + args[2] = (unsigned long) vlen; + args[3] = /* flags */ 0; + + /* socketcall() raises EINVAL when SYS_SENDMMSG is not supported. */ + rc = syscall(/* __NR_socketcall */ 102, 20 /* SYS_SENDMMSG */, args); + if (rc == -1) + if (errno == EINVAL) + errno = ENOSYS; + + return rc; +#elif defined(__NR_sendmmsg) + return syscall(__NR_sendmmsg, fd, mmsg, vlen, /* flags */ 0); #else return errno = ENOSYS, -1; #endif } -int uv__recvmmsg(int fd, - struct uv__mmsghdr* mmsg, - unsigned int vlen, - unsigned int flags, - struct timespec* timeout) { -#if defined(__NR_recvmmsg) - return syscall(__NR_recvmmsg, fd, mmsg, vlen, flags, timeout); +int uv__recvmmsg(int fd, struct uv__mmsghdr* mmsg, unsigned int vlen) { +#if defined(__i386__) + unsigned long args[5]; + int rc; + + args[0] = (unsigned long) fd; + args[1] = (unsigned long) mmsg; + args[2] = (unsigned long) vlen; + args[3] = /* flags */ 0; + args[4] = /* timeout */ 0; + + /* socketcall() raises EINVAL when SYS_RECVMMSG is not supported. */ + rc = syscall(/* __NR_socketcall */ 102, 19 /* SYS_RECVMMSG */, args); + if (rc == -1) + if (errno == EINVAL) + errno = ENOSYS; + + return rc; +#elif defined(__NR_recvmmsg) + return syscall(__NR_recvmmsg, fd, mmsg, vlen, /* flags */ 0, /* timeout */ 0); #else return errno = ENOSYS, -1; #endif @@ -180,6 +220,28 @@ int uv__dup3(int oldfd, int newfd, int flags) { } +ssize_t +uv__fs_copy_file_range(int fd_in, + ssize_t* off_in, + int fd_out, + ssize_t* off_out, + size_t len, + unsigned int flags) +{ +#ifdef __NR_copy_file_range + return syscall(__NR_copy_file_range, + fd_in, + off_in, + fd_out, + off_out, + len, + flags); +#else + return errno = ENOSYS, -1; +#endif +} + + int uv__statx(int dirfd, const char* path, int flags, |