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New SIGPIPE behavior

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@17903 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-Macdonald 2003-10-16 18:31:38 +00:00
parent 5c31ef0e4b
commit 39337dbf7d
9 changed files with 435 additions and 444 deletions
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20
Source/GSFileHandle.m
View file

@ -58,7 +58,6 @@
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <signal.h>
#include <sys/file.h>
#include <sys/stat.h>
#include <sys/fcntl.h>
@ -252,25 +251,6 @@ getAddr(NSString* name, NSString* svc, NSString* pcl, struct sockaddr_in *sin)
}
}
+ (void) initialize
{
if (self == [GSFileHandle class])
{
#if !defined(__MINGW__)
void (*handler)(int);
/*
* If SIGPIPE is not handled or ignored, we will abort on any attempt
* to write to a pipe/socket that has been closed by the other end!
*/
handler = signal(SIGPIPE, SIG_IGN);
if (handler != SIG_DFL)
{
signal(SIGPIPE, handler);
}
#endif
}
}
+ (id) allocWithZone: (NSZone*)z
{
return NSAllocateObject ([self class], 0, z);

17
Source/GSTcpPort.m
View file

@ -41,12 +41,6 @@
#include "Foundation/NSDebug.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_SYS_SIGNAL_H
#include <sys/signal.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h> /* for gethostname() */
#endif
@ -455,17 +449,6 @@ static Class runLoopClass;
wVersionRequested = MAKEWORD(2, 0);
WSAStartup(wVersionRequested, &wsaData);
#else
void (*handler)(int);
/*
* If SIGPIPE is not handled or ignored, we will abort on any attempt
* to write to a pipe/socket that has been closed by the other end!
*/
handler = signal(SIGPIPE, SIG_IGN);
if (handler != SIG_DFL)
{
signal(SIGPIPE, handler);
}
#endif
mutableArrayClass = [NSMutableArray class];
mutableDataClass = [NSMutableData class];

17
Source/NSMessagePort.m
View file

@ -40,12 +40,6 @@
#include "Foundation/NSPathUtilities.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_SYS_SIGNAL_H
#include <sys/signal.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h> /* for gethostname() */
#endif
@ -367,17 +361,6 @@ static Class runLoopClass;
wVersionRequested = MAKEWORD(2, 0);
WSAStartup(wVersionRequested, &wsaData);
#else
void (*handler)(int);
/*
* If SIGPIPE is not handled or ignored, we will abort on any attempt
* to write to a pipe/socket that has been closed by the other end!
*/
handler = signal(SIGPIPE, SIG_IGN);
if (handler != SIG_DFL)
{
signal(SIGPIPE, handler);
}
#endif
mutableArrayClass = [NSMutableArray class];
mutableDataClass = [NSMutableData class];

45
Source/NSObject.m
View file

@ -49,6 +49,13 @@
#include <locale.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_SYS_SIGNAL_H
#include <sys/signal.h>
#endif
#include "GSPrivate.h"
@ -857,6 +864,43 @@ GSDescriptionForClassMethod(pcl self, SEL aSel)
// See libgnustep-base-entry.m
extern void gnustep_base_socket_init(void);
gnustep_base_socket_init();
#else
#ifdef SIGPIPE
/*
* If SIGPIPE is not handled or ignored, we will abort on any attempt
* to write to a pipe/socket that has been closed by the other end!
* We therefore need to ignore the signal if nothing else is already
* handling it.
*/
#ifdef HAVE_SIGACTION
{
struct sigaction act;
if (sigaction(SIGPIPE, 0, &act) == 0 && act.sa_handler == SIG_DFL)
{
if (sigaction(SIGPIPE, &act, 0) != 0)
{
fprintf(stderr, "Unable to ignore SIGPIPE\n");
}
}
else
{
fprintf(stderr, "Unable to retrieve information about SIGPIPE\n");
}
}
#else
{
void (*handler)(int);
handler = signal(SIGPIPE, SIG_IGN);
if (handler != SIG_DFL)
{
signal(SIGPIPE, handler);
}
}
#endif
#endif
#endif
#ifdef __FreeBSD__
@ -872,6 +916,7 @@ GSDescriptionForClassMethod(pcl self, SEL aSel)
}
#endif
#ifdef HAVE_LOCALE_H
GSSetLocaleC(LC_ALL, ""); // Set up locale from environment.
#endif

17
Source/NSSocketPort.m
View file

@ -41,12 +41,6 @@
#include "Foundation/NSDebug.h"
#include <stdio.h>
#include <stdlib.h>
#ifdef HAVE_SYS_SIGNAL_H
#include <sys/signal.h>
#endif
#ifdef HAVE_SIGNAL_H
#include <signal.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h> /* for gethostname() */
#endif
@ -419,17 +413,6 @@ static Class runLoopClass;
wVersionRequested = MAKEWORD(2, 0);
WSAStartup(wVersionRequested, &wsaData);
#else
void (*handler)(int);
/*
* If SIGPIPE is not handled or ignored, we will abort on any attempt
* to write to a pipe/socket that has been closed by the other end!
*/
handler = signal(SIGPIPE, SIG_IGN);
if (handler != SIG_DFL)
{
signal(SIGPIPE, handler);
}
#endif
mutableArrayClass = [NSMutableArray class];
mutableDataClass = [NSMutableData class];