From a6fc27754b85330481656f30bfa8a400f863d85a Mon Sep 17 00:00:00 2001 From: clint Date: Tue, 15 Jul 2025 09:08:16 +0800 Subject: [PATCH] =?UTF-8?q?04=E8=BF=9B=E7=A8=8B=E5=9F=BA=E7=A1=80?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Linux系统编程篇/04进程基础/execl.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Linux系统编程篇/04进程基础/execl.c diff --git a/Linux系统编程篇/04进程基础/execl.c b/Linux系统编程篇/04进程基础/execl.c new file mode 100644 index 0000000..f0b2ced --- /dev/null +++ b/Linux系统编程篇/04进程基础/execl.c @@ -0,0 +1,26 @@ +#include +#include +#include + +int main(void) +{ + int i = 0; + pid_t pid; + pid = fork(); + if (pid < 0) + { + printf("fork is error \n"); + return -1; + } + // 父进程 + if (pid > 0){ + printf("this is parent, parent pid is %d\n",getppid()); + } + // 子进程 + if (pid == 0){ + printf("this is dhild, child pid is %d\n",getpid()); + + } + return 0; +} +