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added spawner for linux

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This commit is contained in:
David Inglis 2002-09-03 15:08:38 +00:00
parent c1be110cad
commit 3da18a28f5
13 changed files with 745 additions and 0 deletions
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15
core/org.eclipse.cdt.core.linux/.classpath Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="/org.eclipse.core.resources"/>
<classpathentry kind="src" path="/org.eclipse.ui"/>
<classpathentry kind="src" path="/org.eclipse.cdt.core"/>
<classpathentry kind="src" path="/org.eclipse.core.runtime"/>
<classpathentry kind="src" path="/org.apache.xerces"/>
<classpathentry kind="src" path="/org.eclipse.search"/>
<classpathentry kind="src" path="/org.eclipse.compare"/>
<classpathentry kind="src" path="/org.eclipse.debug.ui"/>
<classpathentry kind="src" path="/org.eclipse.debug.core"/>
<classpathentry kind="src" path="/org.eclipse.core.boot"/>
<classpathentry kind="var" path="JRE_LIB" rootpath="JRE_SRCROOT" sourcepath="JRE_SRC"/>
<classpathentry kind="output" path=""/>
</classpath>

38
core/org.eclipse.cdt.core.linux/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>org.eclipse.cdt.core.linux</name>
<comment></comment>
<projects>
<project>org.apache.xerces</project>
<project>org.eclipse.cdt.core</project>
<project>org.eclipse.compare</project>
<project>org.eclipse.core.boot</project>
<project>org.eclipse.core.resources</project>
<project>org.eclipse.core.runtime</project>
<project>org.eclipse.debug.core</project>
<project>org.eclipse.debug.ui</project>
<project>org.eclipse.search</project>
<project>org.eclipse.ui</project>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.pde.ManifestBuilder</name>
<arguments>
</arguments>
</buildCommand>
<buildCommand>
<name>org.eclipse.pde.SchemaBuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
<nature>org.eclipse.pde.PluginNature</nature>
</natures>
</projectDescription>

2
core/org.eclipse.cdt.core.linux/build.properties Normal file
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bin.includes = fragment.xml,\
os/

20
core/org.eclipse.cdt.core.linux/fragment.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<fragment
id="org.eclipse.cdt.core.linux"
name="CDT Core Linux Fragment"
version="1.0.0"
provider-name="Eclipse.org"
plugin-id="org.eclipse.cdt.core"
plugin-version="1.0.0">
<runtime>
<library name="linux.jar"/>
</runtime>
<requires>
<import plugin="org.eclipse.core.resources"/>
<import plugin="org.eclipse.ui"/>
</requires>
</fragment>

12
core/org.eclipse.cdt.core.linux/library/Makefile Normal file
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# makefile for libspawner.so
LIB_NAME = libspawner.so
LIB_NAME_FULL = libspawner.so.1
OBJS=spawner.o io.o exec_unix.o
CCFLAGS+=-fpic -D_REENTRANT -I$(JDK_INCLUDES)
spawner : $(OBJS)
gcc -g -shared -Wl,-soname,$(LIB_NAME) -o $(LIB_NAME_FULL) $(OBJS) -lc
clean :
rm $(OBJS)

45
core/org.eclipse.cdt.core.linux/library/Spawner.h Normal file
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/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class com_qnx_tools_utils_spawner_Spawner */
#ifndef _Included_com_qnx_tools_utils_spawner_Spawner
#define _Included_com_qnx_tools_utils_spawner_Spawner
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_eclipse_cdt_utils_spawner_Spawner
* Method: exec0
* Signature: ([Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;[I)I
*/
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec0
(JNIEnv *, jobject, jobjectArray, jobjectArray, jstring, jintArray);
/*
* Class: org_eclipse_cdt_utils_spawner_Spawner
* Method: exec0
* Signature: ([Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;[I)I
*/
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec1
(JNIEnv *, jobject, jobjectArray, jobjectArray, jstring);
/*
* Class: org_eclipse_cdt_utils_spawner_Spawner
* Method: raise
* Signature: (II)I
*/
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_raise
(JNIEnv *, jobject, jint, jint);
/*
* Class: org_eclipse_cdt_utils_spawner_Spawner
* Method: waitFor
* Signature: (I)I
*/
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_waitFor
(JNIEnv *, jobject, jint);
#ifdef __cplusplus
}
#endif
#endif

32
core/org.eclipse.cdt.core.linux/library/SpawnerInputStream.h Normal file
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/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class com_qnx_tools_utils_spawner_SpawnerInputStream */
#ifndef _Included_com_qnx_tools_utils_spawner_SpawnerInputStream
#define _Included_com_qnx_tools_utils_spawner_SpawnerInputStream
#ifdef __cplusplus
extern "C" {
#endif
#undef com_qnx_tools_utils_spawner_SpawnerInputStream_SKIP_BUFFER_SIZE
#define com_qnx_tools_utils_spawner_SpawnerInputStream_SKIP_BUFFER_SIZE 2048L
/* Inaccessible static: skipBuffer */
/*
* Class: org_elipse_cdt_utils_spawner_SpawnerInputStream
* Method: read0
* Signature: (I[BI)I
*/
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_read0
(JNIEnv *, jobject, jint, jbyteArray, jint);
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerInputStream
* Method: close0
* Signature: (I)I
*/
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_close0
(JNIEnv *, jobject, jint);
#ifdef __cplusplus
}
#endif
#endif

29
core/org.eclipse.cdt.core.linux/library/SpawnerOutputStream.h Normal file
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/* DO NOT EDIT THIS FILE - it is machine generated */
#include <jni.h>
/* Header for class com_qnx_tools_utils_spawner_SpawnerOutputStream */
#ifndef _Included_com_qnx_tools_utils_spawner_SpawnerOutputStream
#define _Included_com_qnx_tools_utils_spawner_SpawnerOutputStream
#ifdef __cplusplus
extern "C" {
#endif
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerOutputStream
* Method: write0
* Signature: (I[BI)I
*/
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_SpawnerOutputStream_write0
(JNIEnv *, jobject, jint, jbyteArray, jint);
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerOutputStream
* Method: close0
* Signature: (I)I
*/
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_SpawnerOutputStream_close0
(JNIEnv *, jobject, jint);
#ifdef __cplusplus
}
#endif
#endif

11
core/org.eclipse.cdt.core.linux/library/exec0.h Normal file
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#include <unistd.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <signal.h>
#include <errno.h>
extern pid_t exec0(const char *path, char *const argv[],
char *const envp[], const char *dirpath,
int channels[3] );
extern int wait0(pid_t pid);

145
core/org.eclipse.cdt.core.linux/library/exec_unix.c Normal file
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#include "exec0.h"
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <libgen.h>
#include <stdlib.h>
/* from pfind.c */
char *pfind( char *name );
pid_t
exec0(const char *path, char *const argv[], char *const envp[],
const char *dirpath, int channels[3])
{
int pipe0[2], pipe1[2], pipe2[2];
pid_t childpid;
char *full_path;
//
// Handle this error case, we need the full path for execve() below.
//
if (path[0] != '/' && path[0] != '.') {
full_path = pfind( path );
//full_path = pathfind (getenv ("PATH"), path, "rx");
if (full_path == NULL) {
fprintf( stderr, "Unable to find full path for \"%s\"\n", path );
return -1;
}
} else {
full_path = path;
}
//
// Make sure we can create our pipes before forking.
//
if( channels != NULL )
{
if (pipe(pipe0) < 0 || pipe(pipe1) < 0 || pipe(pipe2) < 0) {
fprintf(stderr, "%s(%d): returning due to error.\n",
__FUNCTION__, __LINE__);
free(full_path);
return -1;
}
}
childpid = fork();
if (childpid < 0) {
fprintf(stderr, "%s(%d): returning due to error: %s\n",
__FUNCTION__, __LINE__, strerror(errno));
free(full_path);
return -1;
} else if (childpid == 0) { /* child */
char *ptr;
chdir(dirpath);
if( channels != NULL )
{
/* Close the write end of pipe0 */
if( close(pipe0[1]) == -1 )
perror( "close(pipe0[1])" );
/* Close the read end of pipe1 */
if( close(pipe1[0]) == -1 )
perror( "close(pipe1[0])" );
/* Close the read end of pipe2 */
if( close(pipe2[0]) == -1 )
perror( "close(pipe2[0]))" );
/* redirections */
dup2(pipe0[0], STDIN_FILENO); /* dup stdin */
dup2(pipe1[1], STDOUT_FILENO); /* dup stdout */
dup2(pipe2[1], STDERR_FILENO); /* dup stderr */
}
/* Close all the fd's in the child */
{
int fdlimit = sysconf(_SC_OPEN_MAX);
int fd = 3;
while (fd < fdlimit)
close(fd++);
}
if( envp[0] == NULL )
{
execv( full_path, argv );
}
else
{
execve( full_path, argv, envp );
}
_exit(127);
} else if (childpid != 0) { /* parent */
char b;
if( channels != NULL )
{
/* close the read end of pipe1 */
if( close(pipe0[0]) == -1 )
perror( "close(pipe0[0])" );
/* close the write end of pipe2 */
if( close(pipe1[1]) == -1 )
perror( "close(pipe1[1])" );
/* close the write end of pipe2 */
if( close(pipe2[1]) == -1 )
perror( "close(pipe2[1])" );
channels[0] = pipe0[1]; /* Output Stream. */
channels[1] = pipe1[0]; /* Input Stream. */
channels[2] = pipe2[0]; /* Input Stream. */
}
free(full_path);
return childpid;
}
free(full_path);
return -1; /*NOT REACHED */
}
int wait0(pid_t pid)
{
int status;
int val = -1;
if (pid < 0 || waitpid(pid, &status, 0) < 0)
return -1;
if (WIFEXITED(status)) {
val = WEXITSTATUS(status);
}
return val;
}

103
core/org.eclipse.cdt.core.linux/library/io.c Normal file
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#include <jni.h>
#include <stdio.h>
#include <SpawnerInputStream.h>
#include <SpawnerOutputStream.h>
#include <unistd.h>
/* Header for class _org_eclipse_cdt_utils_spawner_SpawnerInputStream */
/* Header for class _org_eclipse_cdt_utils_spawner_SpawnerOutputStream */
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerInputStream
* Method: read0
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_read0(JNIEnv * env,
jobject jobj,
jint jfd,
jbyteArray buf,
jint buf_len)
{
int fd;
int status;
jbyte *data;
int data_len;
data = (*env)->GetByteArrayElements(env, buf, 0);
data_len = buf_len;
fd = jfd;
status = read( fd, data, data_len );
(*env)->ReleaseByteArrayElements(env, buf, data, 0);
if (status == 0) {
/* EOF. */
status = -1;
} else if (status == -1) {
/* Error, toss an exception */
jclass exception = (*env)->FindClass(env, "java/io/IOException");
if (exception == NULL) {
/* Give up. */
return -1;
}
(*env)->ThrowNew(env, exception, "read error");
}
return status;
}
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerInputStream
* Method: close0
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerInputStream_close0(JNIEnv * env,
jobject jobj,
jint fd)
{
return close(fd);
}
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerOutputStream
* Method: write0
* Signature: (II)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerOutputStream_write0(JNIEnv * env,
jobject jobj,
jint jfd,
jbyteArray buf,
jint buf_len)
{
int status;
int fd;
jbyte *data;
int data_len;
data = (*env)->GetByteArrayElements(env, buf, 0);
data_len = buf_len;
fd = jfd;
status = write(fd, data, data_len);
(*env)->ReleaseByteArrayElements(env, buf, data, 0);
return status;
}
/*
* Class: org_eclipse_cdt_utils_spawner_SpawnerOutputStream
* Method: close0
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_SpawnerOutputStream_close0(JNIEnv * env,
jobject jobj,
jint fd)
{
return close(fd);
}

74
core/org.eclipse.cdt.core.linux/library/pfind.c Normal file
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/*
* pfind.c - Search for a binary in $PATH.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#ifndef PATH_MAX
#define PATH_MAX 1024
#endif
char *pfind( const char *name )
{
char *tok;
char *sp;
char *path = getenv( "PATH" );
char FullPath[PATH_MAX+1];
if( name == NULL )
{
fprintf( stderr, "pfind(): Null argument.\n" );
return NULL;
}
if( path == NULL || strlen( path ) <= 0 )
{
fprintf( stderr, "Unable to get $PATH.\n" );
return NULL;
}
// The value return by getenv() is readonly */
path = strdup( path );
tok = strtok_r( path, ":", &sp );
while( tok != NULL )
{
//strcpy( FullPath, tok );
//strcat( FullPath, "/" );
//strcat( FullPath, name );
snprintf(FullPath, sizeof(FullPath) - 1, "%s/%s", tok, name);
if( access( FullPath, X_OK | R_OK ) == 0 )
{
free( path );
return strdup(FullPath);
}
tok = strtok_r( NULL, ":", &sp );
}
free( path );
return NULL;
}
#ifdef BUILD_WITH_MAIN
int main( int argc, char **argv )
{
int i;
char *fullpath;
for( i=1; i<argc; i++ )
{
fullpath = pfind( argv[i] );
if( fullpath == NULL )
printf( "Unable to find %s in $PATH.\n", argv[i] );
else
printf( "Found %s @ %s.\n", argv[i], fullpath );
}
}
#endif

219
core/org.eclipse.cdt.core.linux/library/spawner.c Normal file
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#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <signal.h>
#include <string.h>
#include <jni.h>
#include "exec0.h"
#include <Spawner.h>
#define DEBUGIT 0
/*
* Header for class org_eclipse_cdt_utils_spawner_Spawner
*/
#if DEBUGIT
static void print_array(char **c_array)
{
if (c_array) {
char **p = c_array;
for (; *p; p++) {
if (*p) {
fprintf(stderr, " %s", *p);
}
}
} else {
fprintf(stderr, "null");
}
fprintf(stderr, "\n");
}
#endif
static char **alloc_c_array(JNIEnv * env, jobjectArray j_array)
{
int i;
jint c_array_size = (*env)->GetArrayLength(env, j_array);
char **c_array = calloc(c_array_size + 1, sizeof(*c_array));
if (c_array == NULL)
return NULL;
for (i = 0; i < c_array_size; i++) {
jstring j_str =
(jstring) (*env)->GetObjectArrayElement(env, j_array, i);
const char *c_str = (*env)->GetStringUTFChars(env, j_str, NULL);
c_array[i] = (char *) strdup(c_str);
(*env)->ReleaseStringUTFChars(env, j_str, c_str);
(*env)->DeleteLocalRef(env, j_str);
}
return c_array;
}
static void free_c_array(char **c_array)
{
if (c_array) {
char **p = c_array;
for (; *p; p++) {
if (*p) {
free(*p);
}
}
free(c_array);
}
}
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_Spawner_exec1(JNIEnv * env, jobject jobj,
jobjectArray jcmd,
jobjectArray jenv,
jstring jdir)
{
const char *dirpath = (*env)->GetStringUTFChars(env, jdir, NULL);
char **cmd;
char **envp;
int fd[3];
pid_t pid = -1;
cmd = alloc_c_array(env, jcmd);
if (cmd == NULL)
goto bail_out;
envp = alloc_c_array(env, jenv);
if (envp == NULL)
goto bail_out;
#if DEBUGIT
fprintf(stderr, "command:");
print_array(cmd);
fprintf(stderr, "Envp:");
print_array(envp);
fprintf(stderr, "dirpath: %s\n", dirpath);
#endif
pid = exec0(cmd[0], cmd, envp, dirpath, NULL);
if (pid < 0)
goto bail_out;
bail_out:
(*env)->ReleaseStringUTFChars(env, jdir, dirpath);
if (cmd)
free_c_array(cmd);
if (envp)
free_c_array(envp);
return pid;
}
/*
* Class: org_eclipse_cdt_utils_spawner_Spawner
* Method: exec0
* Signature: ([Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;[I)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_Spawner_exec0(JNIEnv * env, jobject jobj,
jobjectArray jcmd,
jobjectArray jenv,
jstring jdir,
jintArray jchannels)
{
jint *channels = (*env)->GetIntArrayElements(env, jchannels, 0);
const char *dirpath = (*env)->GetStringUTFChars(env, jdir, NULL);
char **cmd;
char **envp;
int fd[3];
pid_t pid = -1;
if (channels == NULL)
goto bail_out;
cmd = alloc_c_array(env, jcmd);
if (cmd == NULL)
goto bail_out;
envp = alloc_c_array(env, jenv);
if (envp == NULL)
goto bail_out;
#if DEBUGIT
fprintf(stderr, "command:");
print_array(cmd);
fprintf(stderr, "Envp:");
print_array(envp);
fprintf(stderr, "dirpath: %s\n", dirpath);
#endif
pid = exec0(cmd[0], cmd, envp, dirpath, fd);
if (pid < 0)
goto bail_out;
channels[0] = fd[0];
channels[1] = fd[1];
channels[2] = fd[2];
bail_out:
(*env)->ReleaseIntArrayElements(env, jchannels, channels, 0);
(*env)->ReleaseStringUTFChars(env, jdir, dirpath);
if (cmd)
free_c_array(cmd);
if (envp)
free_c_array(envp);
return pid;
}
/*
* Class: org_eclipse_cdt_utils_spawner_Spawner
* Method: raise
* Signature: (II)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_Spawner_raise(JNIEnv * env, jobject jobj,
jint pid, jint sig)
{
int status = -1;
switch (sig) {
case 0: /* NOOP */
status = kill(pid, 0);
break;
case 2: /* INTERRUPT */
status = kill(pid, SIGINT);
break;
case 9: /* KILL */
status = kill(pid, SIGKILL);
break;
case 15: /* TERM */
status = kill(pid, SIGTERM);
break;
default:
status = kill(pid, sig); /* WHAT ?? */
break;
}
return status;
}
/*
* Class: org_eclipse_cdt_utils_spawner_Spawner
* Method: waitFor
* Signature: (I)I
*/
JNIEXPORT jint JNICALL
Java_org_eclipse_cdt_utils_spawner_Spawner_waitFor(JNIEnv * env,
jobject jobj, jint pid)
{
return wait0(pid);
}