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Revert "cygwin/signal.h: Remove SI_QUEUE unimplemented comment"

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This reverts commit 54ed68a781.
This commit is contained in:
Corinna Vinschen
2017-08-03 14:55:21 +02:00
parent 54ed68a781
commit f41d402bd4
2 changed files with 16 additions and 22 deletions
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3
winsup/cygwin/include/cygwin/signal.h
View File

@@ -265,7 +265,8 @@ enum
SI_MESGQ, /* sent by real time mesq state change
(currently unimplemented) */
SI_TIMER, /* sent by timer expiration */
SI_QUEUE, /* sent by sigqueue */
SI_QUEUE, /* sent by sigqueue (currently
unimplemented) */
SI_KERNEL, /* sent by system */
ILL_ILLOPC, /* illegal opcode */

35
winsup/cygwin/signal.cc
View File

@@ -623,26 +623,6 @@ sigwaitinfo (const sigset_t *set, siginfo_t *info)
return res;
}
int
__SYS_rt_sigqueueinfo (pid_t pid, int sig, siginfo_t *si)
{
pinfo dest (pid);
if (!dest)
{
set_errno (ESRCH);
return -1;
}
if (sig == 0)
return 0;
if (sig < 0 || sig >= NSIG
|| !si || si->si_code < SI_ASYNCIO || si->si_code > SI_KERNEL)
{
set_errno (EINVAL);
return -1;
}
return sig_send (dest, *si);
}
/* FIXME: SUSv3 says that this function should block until the signal has
actually been delivered. Currently, this will only happen when sending
signals to the current process. It will not happen when sending signals
@@ -651,10 +631,23 @@ extern "C" int
sigqueue (pid_t pid, int sig, const union sigval value)
{
siginfo_t si = {0};
pinfo dest (pid);
if (!dest)
{
set_errno (ESRCH);
return -1;
}
if (sig == 0)
return 0;
if (sig < 0 || sig >= NSIG)
{
set_errno (EINVAL);
return -1;
}
si.si_signo = sig;
si.si_code = SI_QUEUE;
si.si_value = value;
return __SYS_rt_sigqueueinfo (pid, sig, &si);
return sig_send (dest, si);
}
extern "C" int