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postnote.c - 9base - revived minimalist port of Plan 9 userland to Unix |
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git clone git://git.suckless.org/9base |
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postnote.c (452B) |
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1 #include <u.h> |
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2 #define NOPLAN9DEFINES |
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3 #include <libc.h> |
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4 |
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5 #include <signal.h> |
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6 |
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7 |
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8 extern int _p9strsig(char*); |
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9 |
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10 int |
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11 postnote(int who, int pid, char *msg) |
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12 { |
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13 int sig; |
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14 |
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15 sig = _p9strsig(msg); |
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16 if(sig == 0){ |
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17 werrstr("unknown note"); |
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18 return -1; |
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19 } |
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20 |
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21 switch(who){ |
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22 default: |
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23 werrstr("bad who in postnote"); |
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24 return -1; |
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25 case PNPROC: |
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26 return kill(pid, sig); |
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27 case PNGROUP: |
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28 if((pid = getpgid(pid)) < 0) |
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29 return -1; |
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30 return killpg(pid, sig); |
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31 } |
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32 } |
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33 |
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34 |
