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Unix port: improve support for the Hurd

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Signed-off-by: Simon Goldschmidt <goldsimon@gmx.de>
This commit is contained in:
Joan Lledó 2019-07-14 12:30:40 +02:00 committed by Simon Goldschmidt
parent 602a66fe58
commit 2f5305c259
2 changed files with 33 additions and 9 deletions
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8
contrib/ports/unix/check/CMakeLists.txt
View File

@ -4,12 +4,14 @@ set (CMAKE_CONFIGURATION_TYPES "Debug;Release")
project(lwipunittests C)
if (NOT CMAKE_SYSTEM_NAME STREQUAL "Linux" AND NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
message(FATAL_ERROR "Unit test are currently only working on Linux or Darwin")
if (NOT CMAKE_SYSTEM_NAME STREQUAL "Linux" AND NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND NOT CMAKE_SYSTEM_NAME STREQUAL "GNU")
message(FATAL_ERROR "Unit test are currently only working on Linux, Darwin or Hurd")
endif()
set(LWIP_DIR ${CMAKE_CURRENT_SOURCE_DIR}/../../../..)
if (NOT CMAKE_SYSTEM_NAME STREQUAL "GNU")
set(LWIP_USE_SANITIZERS true)
endif()
include(${LWIP_DIR}/contrib/ports/CMakeCommon.cmake)
if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
@ -45,7 +47,7 @@ if (NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
target_link_libraries(lwip_unittests ${LIBSUBUNIT})
endif()
if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
if (CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "GNU")
find_library(LIBUTIL util)
find_library(LIBPTHREAD pthread)
find_library(LIBRT rt)

32
contrib/ports/unix/port/sys_arch.c
View File

@ -68,6 +68,9 @@
#include "lwip/stats.h"
#include "lwip/tcpip.h"
/* Return code for an interrupted timed wait */
#define SYS_ARCH_INTR 0xfffffffeUL
u32_t
lwip_port_rand(void)
{
@ -489,14 +492,20 @@ cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex, u32_t timeout)
struct timespec rtime1, rtime2, ts;
int ret;
#ifdef __GNU__
#ifdef LWIP_UNIX_HURD
#define pthread_cond_wait pthread_hurd_cond_wait_np
#define pthread_cond_timedwait pthread_hurd_cond_timedwait_np
#endif
if (timeout == 0) {
pthread_cond_wait(cond, mutex);
return 0;
ret = pthread_cond_wait(cond, mutex);
return
#ifdef LWIP_UNIX_HURD
/* On the Hurd, ret == 1 means the RPC has been cancelled.
* The thread is awakened (not terminated) and execution must continue */
ret == 1 ? SYS_ARCH_INTR :
#endif
(u32_t)ret;
}
/* Get a timestamp and add the timeout value. */
@ -517,6 +526,12 @@ cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex, u32_t timeout)
#endif
if (ret == ETIMEDOUT) {
return SYS_ARCH_TIMEOUT;
#ifdef LWIP_UNIX_HURD
/* On the Hurd, ret == 1 means the RPC has been cancelled.
* The thread is awakened (not terminated) and execution must continue */
} else if (ret == EINTR) {
return SYS_ARCH_INTR;
#endif
}
/* Calculate for how long we waited for the cond. */
@ -546,11 +561,18 @@ sys_arch_sem_wait(struct sys_sem **s, u32_t timeout)
if (time_needed == SYS_ARCH_TIMEOUT) {
pthread_mutex_unlock(&(sem->mutex));
return SYS_ARCH_TIMEOUT;
#ifdef LWIP_UNIX_HURD
} else if(time_needed == SYS_ARCH_INTR) {
pthread_mutex_unlock(&(sem->mutex));
return 0;
#endif
}
/* pthread_mutex_unlock(&(sem->mutex));
return time_needed; */
} else {
cond_wait(&(sem->cond), &(sem->mutex), 0);
} else if(cond_wait(&(sem->cond), &(sem->mutex), 0)) {
/* Some error happened or the thread has been awakened but not by lwip */
pthread_mutex_unlock(&(sem->mutex));
return 0;
}
}
sem->c--;