libzrtp: update zrtp_sleep for modern libc

usleep is deprecated and disabled in glibc 2.12 unless requested. Use
nanosleep instead if available.

This fixes the following compiler warning:

    ./src/zrtp_iface_scheduler.c: In function 'zrtp_sleep':
    ./src/zrtp_iface_scheduler.c:96:2: warning: implicit declaration of
    function 'usleep' [-Wimplicit-function-declaration]
      usleep(msec*1000);
      ^
This commit is contained in:
Peter Wu 2014-08-06 10:19:03 +02:00 committed by Travis Cross
parent 98502947c8
commit 21c145b108
2 changed files with 14 additions and 2 deletions

View File

@ -68,7 +68,7 @@ AC_C_CONST
# Checks for library functions. # Checks for library functions.
AC_FUNC_MALLOC AC_FUNC_MALLOC
AC_CHECK_FUNCS([memset memcpy malloc free]) AC_CHECK_FUNCS([memset memcpy malloc free])
AC_CHECK_FUNCS([usleep]) AC_CHECK_FUNCS([usleep nanosleep])
AC_CHECK_FUNCS([fopen fread]) AC_CHECK_FUNCS([fopen fread])
AC_CHECK_FUNCS([pthread_mutex_lock pthread_mutex_unlock pthread_mutex_init pthread_mutex_destroy]) AC_CHECK_FUNCS([pthread_mutex_lock pthread_mutex_unlock pthread_mutex_init pthread_mutex_destroy])
AC_CHECK_FUNCS([pthread_attr_init pthread_attr_setdetachstate pthread_create]) AC_CHECK_FUNCS([pthread_attr_init pthread_attr_setdetachstate pthread_create])

View File

@ -7,6 +7,7 @@
* Viktor Krykun <v.krikun at zfoneproject.com> * Viktor Krykun <v.krikun at zfoneproject.com>
*/ */
#define _POSIX_C_SOURCE 199309L /* for struct timespec */
#include "zrtp.h" #include "zrtp.h"
#if (defined(ZRTP_USE_BUILTIN_SCEHDULER) && (ZRTP_USE_BUILTIN_SCEHDULER ==1)) #if (defined(ZRTP_USE_BUILTIN_SCEHDULER) && (ZRTP_USE_BUILTIN_SCEHDULER ==1))
@ -80,11 +81,15 @@ int zrtp_thread_create(zrtp_thread_routine_t start_routine, void *arg)
} }
#elif (ZRTP_PLATFORM == ZP_LINUX) || (ZRTP_PLATFORM == ZP_DARWIN) || (ZRTP_PLATFORM == ZP_BSD) || (ZRTP_PLATFORM == ZP_ANDROID) #elif (ZRTP_PLATFORM == ZP_LINUX) || (ZRTP_PLATFORM == ZP_DARWIN) || (ZRTP_PLATFORM == ZP_BSD) || (ZRTP_PLATFORM == ZP_ANDROID)
#if ZRTP_HAVE_UNISTD_H == 1 /* POSIX.1-2008 removes usleep, so use nanosleep instead when available */
#if ZRTP_HAVE_NANOSLEEP
#include <time.h> /* for nanosleep */
#elif ZRTP_HAVE_UNISTD_H == 1
#include <unistd.h> #include <unistd.h>
#else #else
#error "Used environment dosn't have <unistd.h> - zrtp_scheduler can't be build." #error "Used environment dosn't have <unistd.h> - zrtp_scheduler can't be build."
#endif #endif
#if ZRTP_HAVE_PTHREAD_H == 1 #if ZRTP_HAVE_PTHREAD_H == 1
#include <pthread.h> #include <pthread.h>
#else #else
@ -93,7 +98,14 @@ int zrtp_thread_create(zrtp_thread_routine_t start_routine, void *arg)
int zrtp_sleep(unsigned int msec) int zrtp_sleep(unsigned int msec)
{ {
#if ZRTP_HAVE_NANOSLEEP
struct timespec delay;
delay.tv_sec = msec / 1000;
delay.tv_nsec = (msec % 1000) * 1000000;
while (nanosleep(&delay, &delay)) ;
#else
usleep(msec*1000); usleep(msec*1000);
#endif
return 0; return 0;
} }