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Re: [PTHREAD EMBEDDED PATCH 1/1] lib/pthread-embedded: Support for uksignal



Hi Bernard,

This patch went into `minios`, not `unikraft` as it should. Can you please resubmit it, adding the `UNIKRAFT` tag?
Thank you!

Best regards,
Dragos Argint

În sâm., 9 ian. 2021 la 17:33, Bernard Rizzo <b.rizzo@xxxxxxxxxxxxxxxxx> a scris:
This patch is an update of the original.

Signed-off-by: Felipe Huici <felipe.huici@xxxxxxxxx>
Signed-off-by: Bernard Rizzo <b.rizzo@xxxxxxxxxxxxxxxxx>
---
 Makefile.uk                                   |  2 ++
 include/pte_osal.h                            |  8 +++++++
 include/pte_types.h                           |  8 +++++++
 ...ead_kill_when_uk_signals_are_enabled.patch | 24 +++++++++++++++++++
 pte_osal.c                                    | 18 ++++++++++++++
 5 files changed, 60 insertions(+)
 create mode 100644 patches/0012-Add_pthread_kill_when_uk_signals_are_enabled.patch

diff --git a/Makefile.uk b/Makefile.uk
index 4ee37cd..2611c7d 100644
--- a/Makefile.uk
+++ b/Makefile.uk
@@ -65,7 +65,9 @@ LIBPTHREAD-EMBEDDED_CXXFLAGS-y += $(LIBPTHREAD-EMBEDDED_SUPPRESS_FLAGS)
 LIBPTHREAD-EMBEDDED_SRCS-y += $(LIBPTHREAD-EMBEDDED_BASE)/pte_osal.c|glue
 LIBPTHREAD-EMBEDDED_SRCS-y += $(LIBPTHREAD-EMBEDDED_BASE)/attributes.c|glue
 LIBPTHREAD-EMBEDDED_SRCS-y += $(LIBPTHREAD-EMBEDDED_BASE)/pthread_atfork.c|glue
+ifneq ($(CONFIG_LIBUKSIGNAL),y)
 LIBPTHREAD-EMBEDDED_SRCS-y += $(LIBPTHREAD-EMBEDDED_BASE)/pthread_sigmask.c|glue
+endif
 LIBPTHREAD-EMBEDDED_SRCS-y += $(LIBPTHREAD-EMBEDDED_BASE)/pthread_condattr.c|glue

 ################################################################################
diff --git a/include/pte_osal.h b/include/pte_osal.h
index bcf5374..34122ea 100644
--- a/include/pte_osal.h
+++ b/include/pte_osal.h
@@ -4,10 +4,18 @@
 #include <uk/mutex.h>
 #include <uk/semaphore.h>

+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef struct uk_thread* pte_osThreadHandle;
 typedef struct uk_semaphore *pte_osSemaphoreHandle;
 typedef struct uk_mutex *pte_osMutexHandle;

+#ifdef __cplusplus
+}
+#endif
+
 #define OS_MAX_SIMUL_THREADS \
        CONFIG_LIBPTHREAD_EMBEDDED_MAX_SIMUL_THREADS

diff --git a/include/pte_types.h b/include/pte_types.h
index c9081fa..817e313 100644
--- a/include/pte_types.h
+++ b/include/pte_types.h
@@ -3,8 +3,16 @@

 #include <sys/timeb.h>

+#ifdef __cplusplus
+extern "C" {
+#endif
+
 typedef unsigned int tid_t;

 typedef int pid_t;

+#ifdef __cplusplus
+}
+#endif
+
 #endif /* __PTE_TYPES_H__ */
diff --git a/patches/0012-Add_pthread_kill_when_uk_signals_are_enabled.patch b/patches/0012-Add_pthread_kill_when_uk_signals_are_enabled.patch
new file mode 100644
index 0000000..cf30aca
--- /dev/null
+++ b/patches/0012-Add_pthread_kill_when_uk_signals_are_enabled.patch
@@ -0,0 +1,24 @@
+diff --git a/pthread_kill.c b/pthread_kill.c
+index 3a6daf6..4ea7448 100644
+--- a/pthread_kill.c
++++ b/pthread_kill.c
+@@ -47,7 +47,9 @@
+ #include "pthread.h"
+ #include "implement.h"
+
+-#ifdef __hermit__
++#include <uk/config.h>
++
++#if CONFIG_LIBUKSIGNAL
+ int pte_kill(pte_osThreadHandle threadId, int sig);
+ #endif
+
+@@ -98,7 +100,7 @@ pthread_kill (pthread_t thread, int sig)
+
+   pte_osMutexUnlock(pte_thread_reuse_lock);
+
+-#ifdef __hermit__
++#if CONFIG_LIBUKSIGNAL
+   result = pte_kill(tp->threadId, sig);
+ #else
+   if (0 == result && 0 != sig)
diff --git a/pte_osal.c b/pte_osal.c
index 640c3e4..0aac5fd 100644
--- a/pte_osal.c
+++ b/pte_osal.c
@@ -103,6 +103,19 @@ out:
        return result;
 }

+/***************************************************************************
+ *
+ * Signal handling
+ *
+ **************************************************************************/
+#if CONFIG_LIBUKSIGNAL
+int pte_kill(pte_osThreadHandle threadId, int sig)
+{
+       return uk_sig_thread_kill(threadId, sig);
+}
+#endif
+
+
 /****************************************************************************
  *
  * Threads
@@ -162,6 +175,11 @@ pte_osResult pte_osThreadCreate(pte_osThreadEntryPoint entry_point,
                return PTE_OS_NO_RESOURCES;
        }

+#if CONFIG_LIBUKSIGNAL
+       /* inherit signal mask */
+       ptd->uk_thread->signals_container.mask = uk_thread_current()->signals_container.mask;
+#endif
+
        ptd->uk_thread->prv = ptd;

        *ph = ptd->uk_thread;
--
2.25.1



 


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