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Tidied indentation etc

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3354 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 1998-11-30 10:15:35 +00:00
parent e3a761a64a
commit 3bc05a0c62
1 changed files with 229 additions and 171 deletions
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158
Source/NSTask.m
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@ -49,6 +49,14 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
@implementation NSTask @implementation NSTask
+ (void) initialize
{
if (self == [NSTask class])
{
signal(SIGCHLD, SIG_IGN);
}
}
+ (NSTask*)launchedTaskWithLaunchPath:(NSString*)path arguments: (NSArray*)args + (NSTask*)launchedTaskWithLaunchPath:(NSString*)path arguments: (NSArray*)args
{ {
NSTask* task = [NSTask new]; NSTask* task = [NSTask new];
@ -83,7 +91,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (NSString*) currentDirectoryPath - (NSString*) currentDirectoryPath
{ {
if (currentDirectoryPath == nil) { if (currentDirectoryPath == nil)
{
[self setCurrentDirectoryPath: [self setCurrentDirectoryPath:
[[NSFileManager defaultManager] currentDirectoryPath]]; [[NSFileManager defaultManager] currentDirectoryPath]];
} }
@ -92,7 +101,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (NSDictionary*) environment - (NSDictionary*) environment
{ {
if (environment == nil) { if (environment == nil)
{
[self setEnvironment: [[NSProcessInfo processInfo] environment]]; [self setEnvironment: [[NSProcessInfo processInfo] environment]];
} }
return environment; return environment;
@ -105,7 +115,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (NSFileHandle*) standardError - (NSFileHandle*) standardError
{ {
if (standardError == nil) { if (standardError == nil)
{
[self setStandardError: [NSFileHandle fileHandleWithStandardError]]; [self setStandardError: [NSFileHandle fileHandleWithStandardError]];
} }
return standardError; return standardError;
@ -113,7 +124,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (NSFileHandle*) standardInput - (NSFileHandle*) standardInput
{ {
if (standardInput == nil) { if (standardInput == nil)
{
[self setStandardInput: [NSFileHandle fileHandleWithStandardInput]]; [self setStandardInput: [NSFileHandle fileHandleWithStandardInput]];
} }
return standardInput; return standardInput;
@ -121,7 +133,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (NSFileHandle*) standardOutput - (NSFileHandle*) standardOutput
{ {
if (standardOutput == nil) { if (standardOutput == nil)
{
[self setStandardOutput: [NSFileHandle fileHandleWithStandardOutput]]; [self setStandardOutput: [NSFileHandle fileHandleWithStandardOutput]];
} }
return standardOutput; return standardOutput;
@ -131,9 +144,10 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
* Setting task parameters. * Setting task parameters.
*/ */
- (void)setArguments: (NSArray*)args - (void) setArguments: (NSArray*)args
{ {
if (hasLaunched) { if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has been launched"]; format: @"NSTask - task has been launched"];
} }
@ -142,9 +156,10 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
arguments = args; arguments = args;
} }
- (void)setCurrentDirectoryPath: (NSString*)path - (void) setCurrentDirectoryPath: (NSString*)path
{ {
if (hasLaunched) { if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has been launched"]; format: @"NSTask - task has been launched"];
} }
@ -153,9 +168,10 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
currentDirectoryPath = path; currentDirectoryPath = path;
} }
- (void)setEnvironment: (NSDictionary*)env - (void) setEnvironment: (NSDictionary*)env
{ {
if (hasLaunched) { if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has been launched"]; format: @"NSTask - task has been launched"];
} }
@ -164,9 +180,10 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
environment = env; environment = env;
} }
- (void)setLaunchPath: (NSString*)path - (void) setLaunchPath: (NSString*)path
{ {
if (hasLaunched) { if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has been launched"]; format: @"NSTask - task has been launched"];
} }
@ -175,9 +192,10 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
launchPath = path; launchPath = path;
} }
- (void)setStandardError: (NSFileHandle*)hdl - (void) setStandardError: (NSFileHandle*)hdl
{ {
if (hasLaunched) { if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has been launched"]; format: @"NSTask - task has been launched"];
} }
@ -186,9 +204,10 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
standardError = hdl; standardError = hdl;
} }
- (void)setStandardInput: (NSFileHandle*)hdl - (void) setStandardInput: (NSFileHandle*)hdl
{ {
if (hasLaunched) { if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has been launched"]; format: @"NSTask - task has been launched"];
} }
@ -197,9 +216,10 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
standardInput = hdl; standardInput = hdl;
} }
- (void)setStandardOutput: (NSFileHandle*)hdl - (void) setStandardOutput: (NSFileHandle*)hdl
{ {
if (hasLaunched) { if (hasLaunched)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has been launched"]; format: @"NSTask - task has been launched"];
} }
@ -214,24 +234,34 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (BOOL) isRunning - (BOOL) isRunning
{ {
if (hasLaunched == NO) return NO; if (hasLaunched == NO)
if (hasCollected == NO) { {
return NO;
}
if (hasCollected == NO)
{
[self _collectChild]; [self _collectChild];
} }
if (hasTerminated == YES) return NO; if (hasTerminated == YES)
{
return NO;
}
return YES; return YES;
} }
- (int) terminationStatus - (int) terminationStatus
{ {
if (hasLaunched == NO) { if (hasLaunched == NO)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has not yet launched"]; format: @"NSTask - task has not yet launched"];
} }
if (hasCollected == NO) { if (hasCollected == NO)
{
[self _collectChild]; [self _collectChild];
} }
if (hasTerminated == NO) { if (hasTerminated == NO)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has not yet terminated"]; format: @"NSTask - task has not yet terminated"];
} }
@ -243,13 +273,14 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
*/ */
- (void) interrupt - (void) interrupt
{ {
[self notImplemented: _cmd]; /* Undocumented as yet */
} }
- (void) launch - (void) launch
{ {
int pid; int pid;
const char* executable; const char *executable;
const char* path; const char *path;
int idesc; int idesc;
int odesc; int odesc;
int edesc; int edesc;
@ -262,16 +293,19 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
const char *envl[ec+1]; const char *envl[ec+1];
int i; int i;
if (hasLaunched) { if (hasLaunched)
{
return; return;
} }
if (launchPath == nil) { if (launchPath == nil)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - no launch path set"]; format: @"NSTask - no launch path set"];
} }
else if ([[NSFileManager defaultManager] isExecutableFileAtPath: else if ([[NSFileManager defaultManager] isExecutableFileAtPath:
launchPath] == NO) { launchPath] == NO)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - launch path is not valid"]; format: @"NSTask - launch path is not valid"];
} }
@ -279,21 +313,25 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
executable = [[self launchPath] cString]; executable = [[self launchPath] cString];
args[0] = [[[self launchPath] lastPathComponent] cString]; args[0] = [[[self launchPath] lastPathComponent] cString];
for (i = 0; i < ac; i++) { for (i = 0; i < ac; i++)
{
args[i+1] = [[[a objectAtIndex: i] description] cString]; args[i+1] = [[[a objectAtIndex: i] description] cString];
} }
args[ac+1] = 0; args[ac+1] = 0;
for (i = 0; i < ec; i++) { for (i = 0; i < ec; i++)
{
NSString *s; NSString *s;
id key = [k objectAtIndex: i]; id key = [k objectAtIndex: i];
id val = [e objectForKey: key]; id val = [e objectForKey: key];
if (val) { if (val)
{
s = [NSString stringWithFormat: @"%s=%s", s = [NSString stringWithFormat: @"%s=%s",
[key cString], [val cString]]; [key cString], [val cString]];
} }
else { else
{
s = [NSString stringWithFormat: @"%s=", [key cString]]; s = [NSString stringWithFormat: @"%s=", [key cString]];
} }
envl[i] = [s cString]; envl[i] = [s cString];
@ -305,21 +343,32 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
odesc = [[self standardError] fileDescriptor]; odesc = [[self standardError] fileDescriptor];
edesc = [[self standardOutput] fileDescriptor]; edesc = [[self standardOutput] fileDescriptor];
signal(SIGCHLD, SIG_IGN);
pid = fork(); pid = fork();
if (pid < 0) { if (pid < 0)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - failed to create child process"]; format: @"NSTask - failed to create child process"];
} }
if (pid == 0) { if (pid == 0)
if (idesc != 0) dup2(idesc, 0); {
if (odesc != 1) dup2(odesc, 1); if (idesc != 0)
if (edesc != 2) dup2(edesc, 2); {
dup2(idesc, 0);
}
if (odesc != 1)
{
dup2(odesc, 1);
}
if (edesc != 2)
{
dup2(edesc, 2);
}
chdir(path); chdir(path);
execve(executable, args, envl); execve(executable, args, envl);
exit(-1); exit(-1);
} }
else { else
{
taskId = pid; taskId = pid;
hasLaunched = YES; hasLaunched = YES;
} }
@ -327,11 +376,13 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (void) terminate - (void) terminate
{ {
if (hasLaunched == NO) { if (hasLaunched == NO)
{
[NSException raise: NSInvalidArgumentException [NSException raise: NSInvalidArgumentException
format: @"NSTask - task has not yet launched"]; format: @"NSTask - task has not yet launched"];
} }
if (hasTerminated) { if (hasTerminated)
{
return; return;
} }
@ -342,14 +393,16 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
kill(-taskId, SIGTERM); kill(-taskId, SIGTERM);
#endif #endif
if (hasNotified == NO) { if (hasNotified == NO)
{
[self _sendNotification]; [self _sendNotification];
} }
} }
- (void) waitUntilExit - (void) waitUntilExit
{ {
while ([self isRunning]) { while ([self isRunning])
{
NSDate *limit; NSDate *limit;
/* /*
@ -367,13 +420,17 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (void) _collectChild - (void) _collectChild
{ {
if (hasCollected == NO) { if (hasCollected == NO)
if (waitpid(taskId, &terminationStatus, WNOHANG) == taskId) { {
if (WIFEXITED(terminationStatus)) { if (waitpid(taskId, &terminationStatus, WNOHANG) == taskId)
{
if (WIFEXITED(terminationStatus))
{
terminationStatus = WEXITSTATUS(terminationStatus); terminationStatus = WEXITSTATUS(terminationStatus);
hasCollected = YES; hasCollected = YES;
hasTerminated = YES; hasTerminated = YES;
if (hasNotified == NO) { if (hasNotified == NO)
{
[self _sendNotification]; [self _sendNotification];
} }
} }
@ -383,7 +440,8 @@ NSString *NSTaskDidTerminateNotification = @"NSTaskDidTerminateNotification";
- (void) _sendNotification - (void) _sendNotification
{ {
if (hasNotified == NO) { if (hasNotified == NO)
{
NSNotification *n; NSNotification *n;
hasNotified = YES; hasNotified = YES;