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| author | Adhemerval Zanella <adhemerval.zanella@linaro.com> | 2017-03-06 15:13:03 +0100 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.com> | 2017-03-09 15:22:06 +0100 |
| commit | 60f9423b6b02d79f8fef65552ecd21e0fd097774 (patch) | |
| tree | b4bdcf27f2c3b709e1e3afcc09a32b8aec3e9a5d /sysdeps/unix/sysv/linux/send.c | |
| parent | 06cf371e978cde2df19efa1474791bd2532f529b (diff) | |
| download | glibc-60f9423b6b02d79f8fef65552ecd21e0fd097774.tar.gz glibc-60f9423b6b02d79f8fef65552ecd21e0fd097774.tar.xz glibc-60f9423b6b02d79f8fef65552ecd21e0fd097774.zip | |
Consolidate Linux send implementation
This patch consolidates the send Linux syscall implementation on
sysdeps/unix/sysv/linux/send{to}.c. The changes are:
1. Remove send from auto-generation syscalls.list on the architecture
that uses __NR_send.
2. Define __NR_send for architectures that supports it. It was done instead
of defining in default kernel-features.h because current Linux practice
for new ports are to implement only __NR_sendto [1] and it will
require adding new kernel-features for ports that do not require it
(aarch64 for instance).
3. Remove __ASSUME_SENDTO_FOR_SEND_SYSCALL and decide to use
__NR_sendto for send generation based on __ASSUME_SENDTO_SYSCALL.
Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
aarch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu.
* sysdeps/unix/sysv/linux/sysdep.h (HAVE_INTERNAL_SEND_SYMBOL):
Define.
* sysdeps/unix/sysv/linux/aarch64/sysdep.h
(HAVE_INTERNAL_SEND_SYMBOL): Undefine.
* sysdeps/unix/sysv/linux/nios2/sysdep.h
(HAVE_INTERNAL_SEND_SYMBOL): Likewise.
* sysdeps/unix/sysv/linux/tile/sysdep.h
(HAVE_INTERNAL_SEND_SYMBOL): Likewise.
* sysdeps/unix/sysv/linux/alpha/kernel-features.h
(__ASSUME_RECV_SYSCALL): Define.
* sysdeps/unix/sysv/linux/arm/kernel-features.h
(__ASSUME_RECV_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/hppa/kernel-features.h
(__ASSUME_RECV_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/ia64/kernel-features.h
(__ASSUME_RECV_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/mips/kernel-features.h
(__ASSUME_RECV_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/i386/kernel-features.h
(__ASSUME_SENDTO_FOR_SEND_SYSCALL): Remove define.
* sysdeps/unix/sysv/linux/m68k/kernel-features.h
(__ASSUME_SENDTO_FOR_SEND_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/s390/kernel-features.h
(__ASSUME_SENDTO_FOR_SEND_SYSCALL): Likewise.
* sysdeps/unix/sysv/linux/alpha/syscalls.list: Remove send from
auto-generation list.
* sysdeps/unix/sysv/linux/arm/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/hppa/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/ia64/syscalls.list: Likewike.
* sysdeps/unix/sysv/linux/mips/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.
* sysdeps/unix/sysv/linux/send.c: Simplify includes.
(__ASSUME_SENDTO_FOR_SEND_SYSCALL): Replace by
__ASSUME_SENDTO_SYSCALL.
* sysdeps/unix/sysv/linux/x86_64/send.c: Remove file.
* sysdeps/unix/sysv/linux/mips/mips64/send.c: Likewise.
* sysdeps/unix/sysv/linux/generic/send.c: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/send.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/send.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/send.c b/sysdeps/unix/sysv/linux/send.c index 4c02c8ba22..c2e3b37b17 100644 --- a/sysdeps/unix/sysv/linux/send.c +++ b/sysdeps/unix/sysv/linux/send.c @@ -15,21 +15,16 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <errno.h> -#include <signal.h> #include <sys/socket.h> - #include <sysdep-cancel.h> #include <socketcall.h> -#include <kernel-features.h> -#include <sys/syscall.h> ssize_t __libc_send (int fd, const void *buf, size_t len, int flags) { #ifdef __ASSUME_SEND_SYSCALL return SYSCALL_CANCEL (send, fd, buf, len, flags); -#elif defined __ASSUME_SENDTO_FOR_SEND_SYSCALL +#elif defined __ASSUME_SENDTO_SYSCALL return SYSCALL_CANCEL (sendto, fd, buf, len, flags, NULL, 0); #else return SOCKETCALL_CANCEL (send, fd, buf, len, flags); @@ -37,4 +32,6 @@ __libc_send (int fd, const void *buf, size_t len, int flags) } weak_alias (__libc_send, send) weak_alias (__libc_send, __send) +#ifdef HAVE_INTERNAL_SEND_SYMBOL libc_hidden_def (__send) +#endif |