Files
mosh/third/libstddjb/selfpipe_read.c
T
Quentin Smith 77f3a9073f Import selfpipe code from skalibs 1.2.5
[andersk@mit.edu: Move code to new third/libstddjb directory]
2012-03-07 03:05:37 -05:00

32 lines
557 B
C

/* ISC license. */
/* MT-unsafe */
#include "sysdeps.h"
#include "allreadwrite.h"
#include "selfpipe-internal.h"
#include "selfpipe.h"
#ifdef HASSIGNALFD
#include <sys/signalfd.h>
int selfpipe_read (void)
{
struct signalfd_siginfo buf ;
register int r = sanitize_read(fd_read(selfpipe_fd, (char *)&buf, sizeof(struct signalfd_siginfo))) ;
return (r <= 0) ? r : (int)buf.ssi_signo ;
}
#else
int selfpipe_read (void)
{
char c ;
register int r = sanitize_read((fd_read(selfpipe_fd, &c, 1))) ;
return (r <= 0) ? r : (int)c ;
}
#endif