diff options
Diffstat (limited to 'core/org.eclipse.cdt.core.solaris/library/exec_unix.c')
-rw-r--r-- | core/org.eclipse.cdt.core.solaris/library/exec_unix.c | 135 |
1 files changed, 0 insertions, 135 deletions
diff --git a/core/org.eclipse.cdt.core.solaris/library/exec_unix.c b/core/org.eclipse.cdt.core.solaris/library/exec_unix.c deleted file mode 100644 index 3c3db7926b0..00000000000 --- a/core/org.eclipse.cdt.core.solaris/library/exec_unix.c +++ /dev/null @@ -1,135 +0,0 @@ -#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 */ -extern char *pfind(const 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; - - /* - * We use pfind() to check that the program exists and is an executable. - * If not pass the error up. - */ - full_path = pfind(path); - if (full_path == NULL) { - fprintf(stderr, "Unable to find full path for \"%s\"\n", path); - return -1; - } - - /* - * 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 = fork1(); - - 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; -} |