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--- ElectricFence-2.2.2/efence.c.jj 1999-04-12 21:00:49.000000000 -0400
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+++ ElectricFence-2.2.2/efence.c 2003-02-03 11:20:18.000000000 -0500
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@@ -174,6 +174,15 @@ static int internalUse = 0;
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static int noAllocationListProtection = 0;
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#ifdef USE_SEMAPHORE
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+
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+#include <stdbool.h>
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+
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+#pragma weak sem_init
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+#pragma weak sem_post
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+#pragma weak sem_wait
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+
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+static int pthread_initialization = 0;
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+
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/*
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* EF_sem is a semaphore used to allow one thread at a time into
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* these routines.
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@@ -274,7 +283,7 @@ initialize(void)
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EF_Print(version);
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#ifdef USE_SEMAPHORE
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- if (sem_init(&EF_sem, 0, 1) >= 0) {
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+ if (sem_init != NULL && !pthread_initialization && sem_init(&EF_sem, 0, 1) >= 0) {
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semEnabled = 1;
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}
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#endif
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@@ -397,6 +406,21 @@ initialize(void)
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release();
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}
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+#ifdef USE_SEMAPHORE
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+void
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+__libc_malloc_pthread_startup (bool first_time)
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+{
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+ if (first_time) {
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+ pthread_initialization = 1;
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+ initialize ();
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+ } else {
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+ pthread_initialization = 0;
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+ if (!semEnabled && sem_init != NULL && sem_init(&EF_sem, 0, 1) >= 0)
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+ semEnabled = 1;
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+ }
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+}
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+#endif
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+
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/*
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* allocateMoreSlots is called when there are only enough slot structures
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* left to support the allocation of a single malloc buffer.
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--- ElectricFence-2.2.2/Makefile.jj 1999-04-13 13:22:49.000000000 -0400
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+++ ElectricFence-2.2.2/Makefile 2003-02-03 11:27:06.000000000 -0500
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@@ -1,6 +1,6 @@
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PIC= -fPIC
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CFLAGS= -g -DUSE_SEMAPHORE $(PIC)
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-LIBS= -lpthread
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+LIBS=
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prefix=/usr
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BIN_INSTALL_DIR= $(prefix)/bin
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@@ -54,8 +54,8 @@ libefence.a: $(OBJECTS)
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$(AR) crv libefence.a $(OBJECTS)
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libefence.so.0.0: $(OBJECTS)
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- gcc -g -shared -Wl,-soname,libefence.so.0 -o libefence.so.0.0 \
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- $(OBJECTS) -lpthread -lc
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+ gcc -shared -Wl,-soname,libefence.so.0 -o libefence.so.0.0 \
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+ $(CFLAGS) $(OBJECTS)
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tstheap: libefence.a tstheap.o
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- rm -f tstheap
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