diff options
Diffstat (limited to 'core/org.eclipse.cdt.core.qnx/library/spawner/spawner.c')
| -rw-r--r-- | core/org.eclipse.cdt.core.qnx/library/spawner/spawner.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/core/org.eclipse.cdt.core.qnx/library/spawner/spawner.c b/core/org.eclipse.cdt.core.qnx/library/spawner/spawner.c deleted file mode 100644 index a6c1cef581f..00000000000 --- a/core/org.eclipse.cdt.core.qnx/library/spawner/spawner.c +++ /dev/null @@ -1,266 +0,0 @@ -#include <unistd.h> -#include <malloc.h> -#include <spawn.h> -#include <signal.h> -#include <dlfcn.h> -#include <limits.h> -#include <errno.h> -#include <string.h> -#include <sys/types.h> -#include <sys/wait.h> - -#include "Spawner.h" - -typedef JNIEXPORT void * (JNICALL * JVM_GetThreadInterruptEvent)(); -typedef JNIEXPORT char * (JNICALL * JVM_NativePath)(const char *); - -void ThrowByName(JNIEnv *env, const char *name, const char *msg); -void * GetJVMProc(char * vmlib, char * procName); - -static void * hVM = NULL; /* Java Virtual Machine handler. */ - -JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec0 - (JNIEnv * env, jobject proc, jobjectArray cmdArray, jobjectArray envp, jstring dir, jintArray channels) -{ - int fd_map[3]; /* File descriptors. */ - int fd_ret[3]; /* File descriptors that we return to Java. */ - int fd[2]; /* Pipe open structure. */ - int i; - int nParms = 0;/* Number of parameters. */ - int nEnvs = 0;/* Number of environment variables. */ - char ** pParms = NULL; /* Parameters. */ - char ** pEnvs = NULL; /* Environment variables. */ - char * pCommand = NULL; /* Command to execute. */ - char cwd[PATH_MAX + 1]; /* Current working directory. */ - pid_t pid; /* Process ID. */ - struct inheritance inherit; - - if ((cmdArray == NULL) || ((nParms = (*env)->GetArrayLength(env, cmdArray)) == 0)) - ThrowByName(env, "java/lang/IOException", "No command line specified"); - - for (i = 0; i < 3; ++i) { - if (EOK != pipe(fd)) - ThrowByName(env, "java/io/IOException", "Cannot create pipe for spawner"); - if (0 == i) { - fd_map[i] = fd[0]; - fd_ret[i] = fd[1]; - } else { - fd_map[i] = fd[1]; - fd_ret[i] = fd[0]; - } - } - - if (nParms > 0) { - pParms = malloc(sizeof(char *) * (nParms + 1)); - for (i = 0; i < nParms; ++i) { - jobject item = (*env)->GetObjectArrayElement(env, cmdArray, i); - const char *str = (*env)->GetStringUTFChars(env, item, 0); - if (i == 0) - pCommand = strdup(str); - pParms[i] = strdup(str); - (*env)->ReleaseStringUTFChars(env, item, str); - } - pParms[i] = NULL; - } - - nEnvs = (*env) -> GetArrayLength(env, envp); - if (nEnvs > 0) { - pEnvs = malloc(sizeof(char *) * (nEnvs + 1)); - for (i = 0; i < nEnvs; ++i) { - jobject item = (*env)->GetObjectArrayElement(env, envp, i); - const char *str = (*env)->GetStringUTFChars(env, item, 0); - pEnvs[i] = strdup(str); - (*env)->ReleaseStringUTFChars(env, item, str); - } - pEnvs[i] = NULL; - } - - if (dir != 0) { - char *item = (char *)(*env)->GetStringUTFChars(env, dir, 0); - getcwd(cwd, sizeof(cwd)); - chdir(item); - (*env)->ReleaseStringUTFChars(env, dir, item); - } - - /* Nothing for now. */ - memset(&inherit, 0, sizeof(inherit)); - inherit.flags = SPAWN_SETGROUP; - inherit.pgroup = SPAWN_NEWPGROUP; - - pid = spawnp(pCommand, 3, fd_map, &inherit, pParms, pEnvs); - - if (dir != 0) /* Restore working directory. */ - chdir(cwd); - - for (i = 0; i < 3; ++i) { - close(fd_map[i]); - } - - if (-1 == pid) { /* Failed - close pipes. */ - for (i = 0; i < 3; ++i) { - close(fd_ret[i]); - } - } else { /* Success - return pipes to Java. */ - (*env) -> SetIntArrayRegion(env, channels, 0, 3, fd_ret); - } - - /* Free Parameters. */ - if (pParms != NULL) { - int j; - for (j = 0; pParms[j] != NULL; j++) { - if (pParms[j] != NULL) { - free(pParms[j]); - } - } - free(pParms); - } - - /* Free Environment variables. */ - if (pEnvs != NULL) { - int j; - for (j = 0; pEnvs[j] != NULL; j++) { - if (pEnvs[j] != NULL) { - free(pEnvs[j]); - } - } - free(pEnvs); - } - - /* Free Command to execute. */ - if (pCommand != NULL) { - free(pCommand); - } - - return pid; - -} - -JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec1 - (JNIEnv * env, jobject proc, jobjectArray cmdArray, jobjectArray envp, jstring dir) -{ - int i; - int nParms = 0;// Number of parameters - int nEnvs = 0;// Number of environment variables - char ** pParms = NULL; // Parameters - char ** pEnvs = NULL; // Environment variables - char * pCommand = NULL; // Command to execute - char * pwd = 0; // Process working directory - char cwd[PATH_MAX + 1]; // Current working directory - pid_t pid; // Process ID - struct inheritance inherit; - - if ((cmdArray == 0) || ((nParms = (*env) -> GetArrayLength(env, cmdArray)) == 0)) - ThrowByName(env, "java/lang/NullPointerException", "No command line specified"); - - if(nParms > 0) - { - pParms = malloc(sizeof(char *) * (nParms + 1)); - for(i = 0; i < nParms; ++i) - { - jobject item = (*env) -> GetObjectArrayElement(env, cmdArray, i); - const char * str = (*env) -> GetStringUTFChars(env, item, 0); - if(i == 0) - pCommand = strdup(str); - pParms[i] = strdup(str); - (*env) -> ReleaseStringUTFChars(env, item, str); - } - pParms[i] = NULL; - } - nEnvs = (*env) -> GetArrayLength(env, envp); - if(nEnvs > 0) - { - pEnvs = malloc(sizeof(char *) * (nEnvs + 1)); - for(i = 0; i < nEnvs; ++i) - { - jobject item = (*env) -> GetObjectArrayElement(env, envp, i); - const char * str = (*env) -> GetStringUTFChars(env, item, 0); - pEnvs[i] = strdup(str); - (*env) -> ReleaseStringUTFChars(env, item, str); - } - pEnvs[i] = NULL; - } - - if (dir != 0) - { - char * item; - pwd = strdup(item = (char *)(*env) -> GetStringUTFChars(env, dir, 0)); - getcwd(cwd, sizeof(cwd)); - chdir(pwd); - (*env) -> ReleaseStringUTFChars(env, dir, item); - } - - // Nothing for now - memset(&inherit, 0, sizeof(inherit)); - inherit.flags = SPAWN_SETGROUP; - inherit.pgroup = SPAWN_NEWPGROUP; - - - pid = spawnp(pCommand, 0, NULL, &inherit, pParms, pEnvs); - - - if(dir != 0) // Restore working directory - chdir(cwd); - - return pid; - -} - -/* - * Class: com_qnx_tools_utils_spawner_Spawner - * Method: raise - * Signature: (II)I - */ -JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_raise - (JNIEnv * env, jobject proc, jint pid, jint sig) -{ - return kill(pid, sig); -} - -/* - * Class: com_qnx_tools_utils_spawner_Spawner - * Method: waitFor - * Signature: (I)I - */ -JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_waitFor - (JNIEnv * env, jobject proc, jint pid) -{ - int ret; - int val = -1; - - ret = waitpid(pid, &stat_loc, WEXITED); - if (ret == -1 && errno == EINTR) { - // Throw an exception here. - } - if (WIFEXITED(stat_loc)) { - val = WEXITSTATUS(stat_loc); - } - return val; -} - - -// Utilities - -void ThrowByName(JNIEnv *env, const char *name, const char *msg) -{ - jclass cls = (*env)->FindClass(env, name); - - if (cls != 0) /* Otherwise an exception has already been thrown */ - (*env)->ThrowNew(env, cls, msg); - - /* It's a good practice to clean up the local references. */ - (*env)->DeleteLocalRef(env, cls); -} - - - -void * GetJVMProc(char * vmlib, char * procName) -{ - if(NULL == vmlib) - vmlib = "libj9vm14.so"; - if((NULL == hVM) || (NULL == procName)) - { - if(NULL == (hVM = dlopen(vmlib, 0))) - return NULL; - } - return dlsym(hVM, procName); -} |