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[Linux Study Notes] usage of kill and kill-9 and how to exit the process elegantly 1. kill and signals the kill we mentioned here refers to the kill used as the shell command (in contrast, there is a system call called kill in the linux system, man 2

SA_RESTART --------------------------------------- set the SA_RESTART attribute of the signal S. if the system call is interrupted by the signal S, when the signal processing function returns, the system call is automatically restored. # include &

This is a creation in Article, where the information may have evolved or changed. Signal processing in the Golang Signal type 个平台的信号定义或许有些不同。下面列出了POSIX中定义的信号。Linux 使用34-64信号用作实时系统中。命令 man signal 提供了官方的信号介绍。在POSIX.1-1990标准中定义的信号列表

The concept of a signalSignal (signal)--the way communication between processes is a software interrupt. Once a process receives a signal, it interrupts the original program execution process to process the signal.Several common signals:SIGINT

1. sighup SignalIn UNIX, the process organization structure is session. It contains one foreground process group and one or more background process groups. A process group contains multiple processes. A session may have a session first process, and

[Linux study notes] Usage of kill and kill-9 and how to exit the process elegantly 1. kill and signals the kill we mentioned here refers to the kill that serves as the shellcommand (comparatively, there is a systemcall named kill in linux system,

SOURCE version: Php5.6.15SOURCE directory: SAPI/FPM/FPMDescription: The main function of the source code is directly annotated above=============>>startMain process signal initialization, processing according to the type of signal receivedint

"My goodness! , the page editor does not have the ability to automatically save drafts. I didn't write anything yesterday. Forget it, don't care about this. I didn't write much anyway.Hee HeeYou must be very familiar with kill-9 and often use it in

Solutions to terminal problems encountered while using Python to execute "airodump-ng", pythonexecute Python 3.3.5 Debian 3.12 One thing I found weird is using the following code is that the input I entered isn't displayed, even after I terminate

This article mainly introduces how to enable multi-process in php. The example analyzes the usage skills of php threads. if you need it, refer to the following example to describe how to enable multi-process in php. Share it with you for your

The Linux-based multi-thread programming and signal processing is an example that is easy to neglect-Linux general technology-Linux programming and kernel information. The following is a detailed description. Linux multi-thread programming and

When you restart apache2, apachecaughtSIGTERM and shuttingdownerror. the log contains [ThuFeb2309: 35: 422012] [notice] Apache2.2.14 (Ubuntu) PHP5.3.2-1ubuntu4. 14withSuhosin-Patchconfigured -- res apache caught SIGTERM, shutting down when

View supported signal lists in Linux :~ $ Kill-l1) SIGHUP2) SIGINT3) SIGQUIT4) SIGILL5) SIGTRAP6) SIGABRT7) SIGBUS8) SIGFPE9) SIGKILL10) SIGUSR111) SIGSEG... View supported signal lists in Linux :~ $ Kill-l1) SIGHUP 2) SIGINT 3) SIGQUIT 4) SIGILL5)

When you restart apache2, apachecaughtSIGTERM and shuttingdownerror. the log contains [ThuFeb2309: 35: 422012] [notice] Apache/2.2.14 (Ubuntu) PHP/5.3.2-1ubuntu4. 14. when withSuh restarts apache2, apache caught SIGTERM and shutting down In error.

1. sighup SignalIn UNIX, the process organization structure is session. It contains one foreground process group and one or more background process groups. A process group contains multiple processes. A session may have a session first process, and

View supported signal lists in Linux :~ $ Kill-l1) SIGHUP 2) SIGINT 3) SIGQUIT 4) SIGILL5) SIGTRAP 6) SIGABRT 7) SIGBUS 8) SIGFPE9) SIGKILL 10) SIGUSR1 11) SIGSEGV 12) SIGUSR213) SIGPIPE 14) SIGALRM 15) SIGTERM 17) SIGCHLD18) SIGCONT 19) SIGSTOP 20)

In the past few days, a network traffic collector program has been basically changed. In the main function, several subthreads are started and then sleep for 10 minutes. Then, the sub-threads are cleared and exited. Now I want to change it to the

The example in this article describes the way PHP opens multiple processes. Share to everyone for your reference. The implementation methods are as follows: Copy Code code as follows: $IP = ' 192.168.1.1 ';//windows IP of the computer $

This series of articles written by muge0913, reproduced please note the Source: http://blog.csdn.net/muge0913/article/details/7334771 1. Sometimes you do not want to stop the current execution immediately when receiving a signal to process the

These days, a network traffic collector Program Basically changed. In the main function, after several sub-threads are started, the system goes to bed for 10 minutes and then cleans up the Sub-threads and exits. Now, if you want to change it to a