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Add signalfd4 support.

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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@8930
This commit is contained in:
Tom Hughes 2009-01-09 16:42:51 +00:00
parent 7ed5c0529e
commit f1ac1fd992
6 changed files with 26 additions and 5 deletions
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1
coregrind/m_syswrap/priv_syswrap-linux.h
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@ -133,6 +133,7 @@ DECL_TEMPLATE(linux, sys_timerfd_gettime);
DECL_TEMPLATE(linux, sys_timerfd_settime);
DECL_TEMPLATE(linux, sys_signalfd);
DECL_TEMPLATE(linux, sys_signalfd4);
DECL_TEMPLATE(linux, sys_capget);
DECL_TEMPLATE(linux, sys_capset);

2
coregrind/m_syswrap/syswrap-amd64-linux.c
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@ -1361,7 +1361,7 @@ const SyscallTableEntry ML_(syscall_table)[] = {
LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 286
LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 287
// (__NR_paccept, sys_ni_syscall) // 288
// (__NR_signalfd4, sys_ni_syscall) // 289
LINXY(__NR_signalfd4, sys_signalfd4), // 289
LINX_(__NR_eventfd2, sys_eventfd2), // 290
// (__NR_epoll_create1, sys_ni_syscall) // 291

22
coregrind/m_syswrap/syswrap-linux.c
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@ -2431,7 +2431,7 @@ POST(sys_sigprocmask)
PRE(sys_signalfd)
{
PRINT("sys_signalfd ( %d, %#lx, %llu )", (Int)ARG1, ARG2, (ULong) ARG3);
PRINT("sys_signalfd ( %d, %#lx, %llu )", (Int)ARG1,ARG2,(ULong)ARG3);
PRE_REG_READ3(long, "sys_signalfd",
int, fd, vki_sigset_t *, sigmask, vki_size_t, sigsetsize);
PRE_MEM_READ( "signalfd(sigmask)", ARG2, sizeof(vki_sigset_t) );
@ -2449,6 +2449,26 @@ POST(sys_signalfd)
}
}
PRE(sys_signalfd4)
{
PRINT("sys_signalfd4 ( %d, %#lx, %llu, %ld )", (Int)ARG1,ARG2,(ULong)ARG3,ARG4);
PRE_REG_READ4(long, "sys_signalfd4",
int, fd, vki_sigset_t *, sigmask, vki_size_t, sigsetsize, int, flags);
PRE_MEM_READ( "signalfd(sigmask)", ARG2, sizeof(vki_sigset_t) );
if ((int)ARG1 != -1 && !ML_(fd_allowed)(ARG1, "signalfd", tid, False))
SET_STATUS_Failure( VKI_EBADF );
}
POST(sys_signalfd4)
{
if (!ML_(fd_allowed)(RES, "signalfd4", tid, True)) {
VG_(close)(RES);
SET_STATUS_Failure( VKI_EMFILE );
} else {
if (VG_(clo_track_fds))
ML_(record_fd_open_nameless) (tid, RES);
}
}
/* ---------------------------------------------------------------------
rt_sig* wrappers

2
coregrind/m_syswrap/syswrap-ppc32-linux.c
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@ -1859,7 +1859,7 @@ const SyscallTableEntry ML_(syscall_table)[] = {
// LINXY(__NR_subpage_prot, sys_ni_syscall), // 310
LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 311
LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 312
// (__NR_signalfd4, sys_ni_syscall) // 313
LINXY(__NR_signalfd4, sys_signalfd4), // 313
LINX_(__NR_eventfd2, sys_eventfd2), // 314
// (__NR_epoll_create1, sys_ni_syscall) // 315
// (__NR_dup3, sys_ni_syscall) // 316

2
coregrind/m_syswrap/syswrap-ppc64-linux.c
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@ -1499,7 +1499,7 @@ const SyscallTableEntry ML_(syscall_table)[] = {
// LINXY(__NR_subpage_prot, sys_ni_syscall), // 310
LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 311
LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 312
// (__NR_signalfd4, sys_ni_syscall) // 313
LINXY(__NR_signalfd4, sys_signalfd4), // 313
LINX_(__NR_eventfd2, sys_eventfd2), // 314
// (__NR_epoll_create1, sys_ni_syscall) // 315
// (__NR_dup3, sys_ni_syscall) // 316

2
coregrind/m_syswrap/syswrap-x86-linux.c
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@ -2234,7 +2234,7 @@ const SyscallTableEntry ML_(syscall_table)[] = {
LINXY(__NR_timerfd_settime, sys_timerfd_settime), // 325
LINXY(__NR_timerfd_gettime, sys_timerfd_gettime), // 326
// (__NR_signalfd4, sys_ni_syscall) // 327
LINXY(__NR_signalfd4, sys_signalfd4), // 327
LINX_(__NR_eventfd2, sys_eventfd2), // 328
// (__NR_epoll_create1, sys_ni_syscall) // 329