For portability on systems that don't have nanosleep().
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
-for ac_func in chflags getrusage llseek lseek64 open64 fstat64 ftruncate64 getmntinfo strtoull strcasecmp srandom jrand48 fchown mallinfo fdatasync strnlen strptime strdup sysconf pathconf posix_memalign memalign valloc __secure_getenv prctl mmap utime setresuid setresgid
+
+
+for ac_func in chflags getrusage llseek lseek64 open64 fstat64 ftruncate64 getmntinfo strtoull strcasecmp srandom jrand48 fchown mallinfo fdatasync strnlen strptime strdup sysconf pathconf posix_memalign memalign valloc __secure_getenv prctl mmap utime setresuid setresgid usleep nanosleep
do
as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
{ echo "$as_me:$LINENO: checking for $ac_func" >&5
[#include <sys/types.h>
#include <sys/socket.h>])
dnl
-AC_CHECK_FUNCS(chflags getrusage llseek lseek64 open64 fstat64 ftruncate64 getmntinfo strtoull strcasecmp srandom jrand48 fchown mallinfo fdatasync strnlen strptime strdup sysconf pathconf posix_memalign memalign valloc __secure_getenv prctl mmap utime setresuid setresgid)
+AC_CHECK_FUNCS(chflags getrusage llseek lseek64 open64 fstat64 ftruncate64 getmntinfo strtoull strcasecmp srandom jrand48 fchown mallinfo fdatasync strnlen strptime strdup sysconf pathconf posix_memalign memalign valloc __secure_getenv prctl mmap utime setresuid setresgid usleep nanosleep)
dnl
dnl Check to see if -lsocket is required (solaris) to make something
dnl that uses socket() to compile; this is needed for the UUID library
fprintf(stderr, _("Weird value (%ld) in do_read\n"), got);
got /= block_size;
if (d_flag && got == try) {
+#ifdef HAVE_NANOSLEEP
struct timespec ts;
ts.tv_sec = tv2.tv_sec - tv1.tv_sec;
ts.tv_nsec = (tv2.tv_usec - tv1.tv_usec) * MILISEC;
}
if (ts.tv_sec || ts.tv_nsec)
nanosleep(&ts, NULL);
+#else
+#ifdef HAVE_USLEEP
+ struct timeval tv;
+ tv.tv_sec = tv2.tv_sec - tv1.tv_sec;
+ tv.tv_usec = tv2.tv_usec - tv1.tv_usec;
+ tv.tv_sec = tv.tv_sec * d_flag / 100;
+ tv.tv_usec = tv.tv_usec * d_flag / 100;
+ if (tv.tv_usec > 1000000) {
+ tv.tv_sec += tv.tv_usec / 1000000;
+ tv.tv_usec %= 1000000;
+ }
+ if (tv.tv_sec)
+ sleep(tv.tv_sec);
+ if (tv.tv_usec)
+ usleep(tv.tv_usec);
+#endif
+#endif
}
return got;
}