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authorths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-09-16 21:08:06 +0000
committerths <ths@c046a42c-6fe2-441c-8c8c-71466251a162>2007-09-16 21:08:06 +0000
commit5fafdf24ef2c090c164d4dc89684b3f379dbdd87 (patch)
treec0654ee63b6dac76d98b427e92ef16850a90c652 /linux-user/signal.c
parentbd494f4cbd4187dda8cc8f4739763f24a31a4c8b (diff)
downloadqemu-5fafdf24ef2c090c164d4dc89684b3f379dbdd87.tar.gz
find -type f | xargs sed -i 's/[\t ]$//g' # on most files
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3173 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user/signal.c')
-rw-r--r--linux-user/signal.c90
1 files changed, 45 insertions, 45 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index f73d50516f..73b6dadc99 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -1,6 +1,6 @@
/*
* Emulation of Linux signals
- *
+ *
* Copyright (c) 2003 Fabrice Bellard
*
* This program is free software; you can redistribute it and/or modify
@@ -50,7 +50,7 @@ static struct sigqueue sigqueue_table[MAX_SIGQUEUE_SIZE]; /* siginfo queue */
static struct sigqueue *first_free; /* first free siginfo queue entry */
static int signal_pending; /* non zero if a signal may be pending */
-static void host_signal_handler(int host_signum, siginfo_t *info,
+static void host_signal_handler(int host_signum, siginfo_t *info,
void *puc);
static uint8_t host_to_target_signal_table[65] = {
@@ -102,17 +102,17 @@ static inline int target_to_host_signal(int sig)
return target_to_host_signal_table[sig];
}
-static void host_to_target_sigset_internal(target_sigset_t *d,
+static void host_to_target_sigset_internal(target_sigset_t *d,
const sigset_t *s)
{
int i;
unsigned long sigmask;
uint32_t target_sigmask;
-
+
sigmask = ((unsigned long *)s)[0];
target_sigmask = 0;
for(i = 0; i < 32; i++) {
- if (sigmask & (1 << i))
+ if (sigmask & (1 << i))
target_sigmask |= 1 << (host_to_target_signal(i + 1) - 1);
}
#if TARGET_LONG_BITS == 32 && HOST_LONG_BITS == 32
@@ -147,7 +147,7 @@ void target_to_host_sigset_internal(sigset_t *d, const target_sigset_t *s)
target_sigmask = s->sig[0];
sigmask = 0;
for(i = 0; i < 32; i++) {
- if (target_sigmask & (1 << i))
+ if (target_sigmask & (1 << i))
sigmask |= 1 << (target_to_host_signal(i + 1) - 1);
}
#if TARGET_LONG_BITS == 32 && HOST_LONG_BITS == 32
@@ -171,8 +171,8 @@ void target_to_host_sigset(sigset_t *d, const target_sigset_t *s)
s1.sig[i] = tswapl(s->sig[i]);
target_to_host_sigset_internal(d, &s1);
}
-
-void host_to_target_old_sigset(target_ulong *old_sigset,
+
+void host_to_target_old_sigset(target_ulong *old_sigset,
const sigset_t *sigset)
{
target_sigset_t d;
@@ -180,7 +180,7 @@ void host_to_target_old_sigset(target_ulong *old_sigset,
*old_sigset = d.sig[0];
}
-void target_to_host_old_sigset(sigset_t *sigset,
+void target_to_host_old_sigset(sigset_t *sigset,
const target_ulong *old_sigset)
{
target_sigset_t d;
@@ -194,7 +194,7 @@ void target_to_host_old_sigset(sigset_t *sigset,
/* siginfo conversion */
-static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo,
+static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo,
const siginfo_t *info)
{
int sig;
@@ -202,7 +202,7 @@ static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo,
tinfo->si_signo = sig;
tinfo->si_errno = 0;
tinfo->si_code = 0;
- if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV ||
+ if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV ||
sig == SIGBUS || sig == SIGTRAP) {
/* should never come here, but who knows. The information for
the target is irrelevant */
@@ -213,12 +213,12 @@ static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo,
tinfo->_sifields._rt._pid = info->si_pid;
tinfo->_sifields._rt._uid = info->si_uid;
/* XXX: potential problem if 64 bit */
- tinfo->_sifields._rt._sigval.sival_ptr =
+ tinfo->_sifields._rt._sigval.sival_ptr =
(target_ulong)info->si_value.sival_ptr;
}
}
-static void tswap_siginfo(target_siginfo_t *tinfo,
+static void tswap_siginfo(target_siginfo_t *tinfo,
const target_siginfo_t *info)
{
int sig;
@@ -226,16 +226,16 @@ static void tswap_siginfo(target_siginfo_t *tinfo,
tinfo->si_signo = tswap32(sig);
tinfo->si_errno = tswap32(info->si_errno);
tinfo->si_code = tswap32(info->si_code);
- if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV ||
+ if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV ||
sig == SIGBUS || sig == SIGTRAP) {
- tinfo->_sifields._sigfault._addr =
+ tinfo->_sifields._sigfault._addr =
tswapl(info->_sifields._sigfault._addr);
} else if (sig == SIGIO) {
tinfo->_sifields._sigpoll._fd = tswap32(info->_sifields._sigpoll._fd);
} else if (sig >= TARGET_SIGRTMIN) {
tinfo->_sifields._rt._pid = tswap32(info->_sifields._rt._pid);
tinfo->_sifields._rt._uid = tswap32(info->_sifields._rt._uid);
- tinfo->_sifields._rt._sigval.sival_ptr =
+ tinfo->_sifields._rt._sigval.sival_ptr =
tswapl(info->_sifields._rt._sigval.sival_ptr);
}
}
@@ -256,7 +256,7 @@ void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo)
info->si_code = tswap32(tinfo->si_code);
info->si_pid = tswap32(tinfo->_sifields._rt._pid);
info->si_uid = tswap32(tinfo->_sifields._rt._uid);
- info->si_value.sival_ptr =
+ info->si_value.sival_ptr =
(void *)tswapl(tinfo->_sifields._rt._sigval.sival_ptr);
}
@@ -274,7 +274,7 @@ void signal_init(void)
j = host_to_target_signal_table[i];
target_to_host_signal_table[j] = i;
}
-
+
/* set all host signal handlers. ALL signals are blocked during
the handlers to serialize them. */
sigfillset(&act.sa_mask);
@@ -283,11 +283,11 @@ void signal_init(void)
for(i = 1; i < NSIG; i++) {
sigaction(i, &act, NULL);
}
-
+
memset(sigact_table, 0, sizeof(sigact_table));
first_free = &sigqueue_table[0];
- for(i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++)
+ for(i = 0; i < MAX_SIGQUEUE_SIZE - 1; i++)
sigqueue_table[i].next = &sigqueue_table[i + 1];
sigqueue_table[MAX_SIGQUEUE_SIZE - 1].next = NULL;
}
@@ -314,7 +314,7 @@ void __attribute((noreturn)) force_sig(int sig)
{
int host_sig;
host_sig = target_to_host_signal(sig);
- fprintf(stderr, "qemu: uncaught target signal %d (%s) - exiting\n",
+ fprintf(stderr, "qemu: uncaught target signal %d (%s) - exiting\n",
sig, strsignal(host_sig));
#if 1
_exit(-host_sig);
@@ -339,15 +339,15 @@ int queue_signal(int sig, target_siginfo_t *info)
target_ulong handler;
#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "queue_signal: sig=%d\n",
+ fprintf(stderr, "queue_signal: sig=%d\n",
sig);
#endif
k = &sigact_table[sig - 1];
handler = k->sa._sa_handler;
if (handler == TARGET_SIG_DFL) {
/* default handler : ignore some signal. The other are fatal */
- if (sig != TARGET_SIGCHLD &&
- sig != TARGET_SIGURG &&
+ if (sig != TARGET_SIGCHLD &&
+ sig != TARGET_SIGURG &&
sig != TARGET_SIGWINCH) {
force_sig(sig);
} else {
@@ -388,7 +388,7 @@ int queue_signal(int sig, target_siginfo_t *info)
}
}
-static void host_signal_handler(int host_signum, siginfo_t *info,
+static void host_signal_handler(int host_signum, siginfo_t *info,
void *puc)
{
int sig;
@@ -396,7 +396,7 @@ static void host_signal_handler(int host_signum, siginfo_t *info,
/* the CPU emulator uses some host signals to detect exceptions,
we we forward to it some signals */
- if (host_signum == SIGSEGV || host_signum == SIGBUS
+ if (host_signum == SIGSEGV || host_signum == SIGBUS
#if defined(TARGET_I386) && defined(USE_CODE_COPY)
|| host_signum == SIGFPE
#endif
@@ -430,7 +430,7 @@ int do_sigaction(int sig, const struct target_sigaction *act,
return -EINVAL;
k = &sigact_table[sig - 1];
#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "sigaction sig=%d act=0x%08x, oact=0x%08x\n",
+ fprintf(stderr, "sigaction sig=%d act=0x%08x, oact=0x%08x\n",
sig, (int)act, (int)oact);
#endif
if (oact) {
@@ -476,7 +476,7 @@ int do_sigaction(int sig, const struct target_sigaction *act,
#define offsetof(type, field) ((size_t) &((type *)0)->field)
#endif
-static inline int copy_siginfo_to_user(target_siginfo_t *tinfo,
+static inline int copy_siginfo_to_user(target_siginfo_t *tinfo,
const target_siginfo_t *info)
{
tswap_siginfo(tinfo, info);
@@ -648,7 +648,7 @@ get_sigframe(struct emulated_sigaction *ka, CPUX86State *env, size_t frame_size)
}
/* This is the legacy signal stack switching. */
- else
+ else
#endif
if ((env->segs[R_SS].selector & 0xffff) != __USER_DS &&
!(ka->sa.sa_flags & TARGET_SA_RESTORER) &&
@@ -723,7 +723,7 @@ give_sigsegv:
force_sig(TARGET_SIGSEGV /* , current */);
}
-static void setup_rt_frame(int sig, struct emulated_sigaction *ka,
+static void setup_rt_frame(int sig, struct emulated_sigaction *ka,
target_siginfo_t *info,
target_sigset_t *set, CPUX86State *env)
{
@@ -817,7 +817,7 @@ restore_sigcontext(CPUX86State *env, struct target_sigcontext *sc, int *peax)
cpu_x86_load_seg(env, R_CS, lduw(&sc->cs) | 3);
cpu_x86_load_seg(env, R_SS, lduw(&sc->ss) | 3);
-
+
{
unsigned int tmpflags;
tmpflags = ldl(&sc->eflags);
@@ -865,7 +865,7 @@ long do_sigreturn(CPUX86State *env)
target_to_host_sigset_internal(&set, &target_set);
sigprocmask(SIG_SETMASK, &set, NULL);
-
+
/* restore registers */
if (restore_sigcontext(env, &frame->sc, &eax))
goto badframe;
@@ -889,7 +889,7 @@ long do_rt_sigreturn(CPUX86State *env)
#endif
target_to_host_sigset(&set, &frame->uc.tuc_sigmask);
sigprocmask(SIG_SETMASK, &set, NULL);
-
+
if (restore_sigcontext(env, &frame->uc.tuc_mcontext, &eax))
goto badframe;
@@ -1127,7 +1127,7 @@ static void setup_frame(int usig, struct emulated_sigaction *ka,
// return err;
}
-static void setup_rt_frame(int usig, struct emulated_sigaction *ka,
+static void setup_rt_frame(int usig, struct emulated_sigaction *ka,
target_siginfo_t *info,
target_sigset_t *set, CPUState *env)
{
@@ -1547,7 +1547,7 @@ restore_fpu_state(CPUState *env, qemu_siginfo_fpu_t *fpu)
}
-static void setup_rt_frame(int sig, struct emulated_sigaction *ka,
+static void setup_rt_frame(int sig, struct emulated_sigaction *ka,
target_siginfo_t *info,
target_sigset_t *set, CPUState *env)
{
@@ -1851,7 +1851,7 @@ get_sigframe(struct emulated_sigaction *ka, CPUState *regs, size_t frame_size)
return g2h((sp - frame_size) & ~7);
}
-static void setup_frame(int sig, struct emulated_sigaction * ka,
+static void setup_frame(int sig, struct emulated_sigaction * ka,
target_sigset_t *set, CPUState *regs)
{
struct sigframe *frame;
@@ -1894,7 +1894,7 @@ static void setup_frame(int sig, struct emulated_sigaction * ka,
give_sigsegv:
force_sig(TARGET_SIGSEGV/*, current*/);
- return;
+ return;
}
long do_sigreturn(CPUState *regs)
@@ -1933,7 +1933,7 @@ long do_sigreturn(CPUState *regs)
:"r" (&regs));
/* Unreached */
#endif
-
+
regs->PC[regs->current_tc] = regs->CP0_EPC;
/* I am not sure this is right, but it seems to work
* maybe a problem with nested signals ? */
@@ -1945,7 +1945,7 @@ badframe:
return 0;
}
-static void setup_rt_frame(int sig, struct emulated_sigaction *ka,
+static void setup_rt_frame(int sig, struct emulated_sigaction *ka,
target_siginfo_t *info,
target_sigset_t *set, CPUState *env)
{
@@ -1966,7 +1966,7 @@ static void setup_frame(int sig, struct emulated_sigaction *ka,
fprintf(stderr, "setup_frame: not implemented\n");
}
-static void setup_rt_frame(int sig, struct emulated_sigaction *ka,
+static void setup_rt_frame(int sig, struct emulated_sigaction *ka,
target_siginfo_t *info,
target_sigset_t *set, CPUState *env)
{
@@ -1995,7 +1995,7 @@ void process_pending_signals(void *cpu_env)
target_sigset_t target_old_set;
struct emulated_sigaction *k;
struct sigqueue *q;
-
+
if (!signal_pending)
return;
@@ -2018,7 +2018,7 @@ void process_pending_signals(void *cpu_env)
k->first = q->next;
if (!k->first)
k->pending = 0;
-
+
sig = gdb_handlesig (cpu_env, sig);
if (!sig) {
fprintf (stderr, "Lost signal\n");
@@ -2028,8 +2028,8 @@ void process_pending_signals(void *cpu_env)
handler = k->sa._sa_handler;
if (handler == TARGET_SIG_DFL) {
/* default handler : ignore some signal. The other are fatal */
- if (sig != TARGET_SIGCHLD &&
- sig != TARGET_SIGURG &&
+ if (sig != TARGET_SIGCHLD &&
+ sig != TARGET_SIGURG &&
sig != TARGET_SIGWINCH) {
force_sig(sig);
}
@@ -2044,7 +2044,7 @@ void process_pending_signals(void *cpu_env)
blocked during the handler */
if (!(k->sa.sa_flags & TARGET_SA_NODEFER))
sigaddset(&set, target_to_host_signal(sig));
-
+
/* block signals in the handler using Linux */
sigprocmask(SIG_BLOCK, &set, &old_set);
/* save the previous blocked signal state to restore it at the