/*
?*?文件名：madplay.c
?*?頭文件：madplay.h
?*?說明：實現madplay的控制，包括播放play、暫停suspend、開始start、下一首next、上一首previous
?*?作者：張開
?*?日期：2017.5.13
?*/

#include?
#include?
#include?
#include?
#include?

#include?“madplay.h“

#ifdef?MADPLAY_DEBUG
int?main（）
{
????pid_t?pid;
????char?*name?=?“./music/happy.mp3“;
????pid?=?play（name）;
????printf（“child?pid:?%d\n“?pid）;
????char?con;

????printf（“suspend?“）;
????scanf（“%c“?&con）;
????getchar（）;
????printf（“\n“）;
????if（‘y‘?==?con）
????????suspend（pid）;
???
????printf（“continue?“）;
????scanf（“%c“?&con）;
????getchar（）;
????if（‘y‘?==?con）
?????????continuePlay（pid）;

????printf（“end?“）;
????scanf（“%c“?&con）;
????printf（“\n“）;
????end（pid）;
????return?0;
}
#endif

/*?成功則返回進程pid，失敗則返回0?*/
int?play（char?*name）
{
????pid_t?pid;
????int?status;
????if（（pid?=?fork（））?????{
????????perror（“Fork?error\n“）;
????????return?0;
????}
????else?if（0?==?pid）
????{
????????waitpid（getppid（）?&status?0）;?//?等待父進程結束
????????execlp（“madplay“?“madplay““-q“?name?（char*）0）;
????????return?0;
????}
????else
????{
????????return?pid;????
????}
}

int?suspend（pid_t?pid）
{
????kill（pid?SIGSTOP）;
????return?0;
}

int?continuePlay（pid_t?pid）
{
????kill（pid?SIGCONT）;
????return?0;
}

int?end（pid_t?pid）
{
????kill（pid?SIGINT）;
????return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.???????430??2017-06-19?16:54??MP3-Player-with-Madplay-master\.gitignore

????..A..H.????????41??2017-06-19?16:54??MP3-Player-with-Madplay-master\.music_config

?????文件???????1456??2017-06-19?16:54??MP3-Player-with-Madplay-master\madplay.c

?????文件????????239??2017-06-19?16:54??MP3-Player-with-Madplay-master\madplay.h

?????文件???????2376??2020-12-24?19:39??MP3-Player-with-Madplay-master\madplay.o

?????文件???????7960??2020-12-25?01:05??MP3-Player-with-Madplay-master\main.c

?????文件???????7960??2020-12-25?00:06??MP3-Player-with-Madplay-master\main.c~

?????文件??????10776??2020-12-25?01:05??MP3-Player-with-Madplay-master\main.o

?????文件????????383??2017-06-19?16:54??MP3-Player-with-Madplay-master\makefile

?????文件??????18729??2020-12-25?01:05??MP3-Player-with-Madplay-master\mp3player

?????文件?????876534??2020-12-22?15:52??MP3-Player-with-Madplay-master\music\1.mp3

?????文件?????282992??2017-06-19?16:54??MP3-Player-with-Madplay-master\music\apple.mp3

?????文件?????478522??2017-06-19?16:54??MP3-Player-with-Madplay-master\music\bigbang.mp3

?????文件????4001181??2020-12-25?00:29??MP3-Player-with-Madplay-master\music\huohongdesarilang.mp3

?????文件????1391860??2017-06-19?16:54??MP3-Player-with-Madplay-master\music\Merry.mp3

?????文件???13411309??2020-12-25?00:27??MP3-Player-with-Madplay-master\music\pipaxing.mp3

?????文件?????512660??2017-06-19?16:54??MP3-Player-with-Madplay-master\music\super.mp3

?????文件?????488164??2017-06-19?16:54??MP3-Player-with-Madplay-master\music\Super2.mp3

?????文件?????411307??2017-06-19?16:54??MP3-Player-with-Madplay-master\music\tankBGM.mp3

?????文件?????279370??2020-12-25?00:14??MP3-Player-with-Madplay-master\music\zhexian.mp3

?????文件????3196969??2020-12-24?19:45??MP3-Player-with-Madplay-master\music\開學第一課.mp3

?????文件???????3828??2017-06-19?16:54??MP3-Player-with-Madplay-master\music_list.c

?????文件????????696??2017-06-19?16:54??MP3-Player-with-Madplay-master\music_list.h

?????文件???????3368??2020-12-24?19:39??MP3-Player-with-Madplay-master\music_list.o

?????文件???????2048??2017-06-19?16:54??MP3-Player-with-Madplay-master\readFileList.c

?????文件????????225??2017-06-19?16:54??MP3-Player-with-Madplay-master\readFileList.h

?????文件???????2144??2020-12-24?19:39??MP3-Player-with-Madplay-master\readFileList.o

?????文件???????1705??2017-06-19?16:54??MP3-Player-with-Madplay-master\README.md

?????目錄??????????0??2020-12-25?22:30??MP3-Player-with-Madplay-master\music

?????目錄??????????0??2020-12-25?22:30??MP3-Player-with-Madplay-master

............此處省略3個文件信息