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basic signal handling

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@41 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2003-03-23 01:06:05 +00:00
parent 1b6b029e40
commit 66fb9763af
9 changed files with 1060 additions and 101 deletions
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37
linux-user/syscall_defs.h
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@ -29,6 +29,11 @@ struct target_timespec {
target_long tv_nsec;
};
struct target_itimerval {
struct target_timeval it_interval;
struct target_timeval it_value;
};
struct target_iovec {
target_long iov_base; /* Starting address */
target_long iov_len; /* Number of bytes */
@ -113,6 +118,38 @@ typedef struct {
target_ulong sig[TARGET_NSIG_WORDS];
} target_sigset_t;
#ifdef BSWAP_NEEDED
static inline void tswap_sigset(target_sigset_t *d, const target_sigset_t *s)
{
int i;
for(i = 0;i < TARGET_NSIG_WORDS; i++)
d->sig[i] = tswapl(s->sig[i]);
}
#else
static inline void tswap_sigset(target_sigset_t *d, const target_sigset_t *s)
{
*d = *s;
}
#endif
static inline void target_siginitset(target_sigset_t *d, target_ulong set)
{
int i;
d->sig[0] = set;
for(i = 1;i < TARGET_NSIG_WORDS; i++)
d->sig[i] = 0;
}
void host_to_target_sigset(target_sigset_t *d, sigset_t *s);
void target_to_host_sigset(sigset_t *d, target_sigset_t *s);
void host_to_target_old_sigset(target_ulong *old_sigset,
const sigset_t *sigset);
void target_to_host_old_sigset(sigset_t *sigset,
const target_ulong *old_sigset);
struct target_sigaction;
int do_sigaction(int sig, const struct target_sigaction *act,
struct target_sigaction *oact);
/* Networking ioctls */
#define TARGET_SIOCADDRT 0x890B /* add routing table entry */
#define TARGET_SIOCDELRT 0x890C /* delete routing table entry */