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https://github.com/xzeldon/htop.git
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parent
2e3c35d66d
commit
a042cfece2
@ -76,16 +76,35 @@ void OpenFilesScreen_draw(InfoScreen* this) {
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}
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static OpenFiles_ProcessData* OpenFilesScreen_getProcessData(pid_t pid) {
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char command[1025];
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xSnprintf(command, 1024, "lsof -P -p %d -F 2> /dev/null", pid);
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FILE* fd = popen(command, "r");
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char buffer[1025];
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xSnprintf(buffer, 1024, "%d", pid);
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OpenFiles_ProcessData* pdata = xCalloc(1, sizeof(OpenFiles_ProcessData));
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OpenFiles_FileData* fdata = NULL;
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OpenFiles_Data* item = &(pdata->data);
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if (!fd) {
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pdata->error = 127;
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int fdpair[2];
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if (pipe(fdpair) == -1) {
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pdata->error = 1;
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return pdata;
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}
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pid_t child = fork();
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if (child == -1) {
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pdata->error = 1;
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return pdata;
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}
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if (child == 0) {
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close(fdpair[0]);
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dup2(fdpair[1], STDOUT_FILENO);
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close(fdpair[1]);
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int fdnull = open("/dev/null", O_WRONLY);
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if (fdnull < 0)
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exit(1);
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dup2(fdnull, STDERR_FILENO);
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close(fdnull);
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execlp("lsof", "lsof", "-P", "-p", buffer, "-F", NULL);
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exit(127);
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}
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close(fdpair[1]);
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FILE* fd = fdopen(fdpair[0], "r");
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for (;;) {
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char* line = String_readLine(fd);
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if (!line) {
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@ -105,7 +124,15 @@ static OpenFiles_ProcessData* OpenFilesScreen_getProcessData(pid_t pid) {
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item->data[cmd] = xStrdup(line + 1);
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free(line);
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}
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pdata->error = pclose(fd);
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int wstatus;
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if (waitpid(child, &wstatus, 0) == -1) {
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pdata->error = 1;
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return pdata;
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}
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if (!WIFEXITED(wstatus))
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pdata->error = 1;
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else
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pdata->error = WEXITSTATUS(wstatus);
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return pdata;
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}
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