diplodocus.org Git - nmh/blob - docs/historical/mh-6.8.5/sbr/RCS/pidwait.c,v

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   9 date    92.12.15.00.20.22;      author jromine; state Exp;
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  60 @@
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  63 1.10
  64 log
  65 @endif sugar
  66 @
  67 text
  68 @/* pidwait.c - wait for child to exit */
  69 #ifndef lint
  70 static char ident[] = "@@(#)$Id: pidwait.c,v 1.9 1992/12/14 17:10:58 jromine Exp jromine $";
  71 #endif  /* lint */
  72
  73 #include "../h/mh.h"
  74 #include <signal.h>
  75 #include <stdio.h>
  76 #if defined (BSD42) || defined (SVR4)
  77 #include <sys/wait.h>
  78 #endif
  79
  80
  81 int     pidwait (id, sigsok)
  82 register int     id,
  83                  sigsok;
  84 {
  85     register int    pid;
  86     TYPESIG (*hstat) (), (*istat) (), (*qstat) (), (*tstat) ();
  87 #if     defined(BSD42) && !defined(WAITINT)
  88     union wait status;
  89 #else
  90     int     status;
  91 #endif
  92
  93     if (sigsok == NOTOK) {
  94 #ifdef  notdef          /* I don't see why to trap these... */
  95         hstat = signal (SIGHUP, SIG_IGN);
  96         tstat = signal (SIGTERM, SIG_IGN);
  97 #endif
  98         istat = signal (SIGINT, SIG_IGN);
  99         qstat = signal (SIGQUIT, SIG_IGN);
 100     }
 101
 102 #ifdef  SVR4
 103     pid = waitpid (id, &status, WUNTRACED);
 104 #else
 105     while ((pid = wait (&status)) != NOTOK && pid != id)
 106         continue;
 107 #endif
 108
 109     if (sigsok == NOTOK) {
 110 #ifdef  notdef
 111         (void) signal (SIGHUP, hstat);
 112         (void) signal (SIGTERM, tstat);
 113 #endif
 114         (void) signal (SIGINT, istat);
 115         (void) signal (SIGQUIT, qstat);
 116     }
 117
 118 #if defined(BSD42) && !defined(WAITINT)
 119     return (pid == NOTOK ? NOTOK : status.w_status);
 120 #else
 121     return (pid == NOTOK ? NOTOK : status);
 122 #endif
 123 }
 124 @
 125
 126
 127 1.9
 128 log
 129 @WAITINT ifdef
 130 @
 131 text
 132 @d3 2
 133 a4 2
 134 static char ident[] = "@@(#)$Id: pidwait.c,v 1.8 1992/11/23 22:56:09 jromine Exp jromine $";
 135 #endif  lint
 136 @
 137
 138
 139 1.8
 140 log
 141 @fix arg order in waitpid()
 142 @
 143 text
 144 @d3 1
 145 a3 1
 146 static char ident[] = "@@(#)$Id: pidwait.c,v 1.7 1992/11/11 22:04:30 jromine Exp jromine $";
 147 d20 3
 148 a22 1
 149 #ifndef BSD42
 150 a23 2
 151 #else
 152     union wait status;
 153 d51 3
 154 a53 1
 155 #ifndef BSD42
 156 a54 2
 157 #else
 158     return (pid == NOTOK ? NOTOK : status.w_status);
 159 @
 160
 161
 162 1.7
 163 log
 164 @use union wait under BSD42 only
 165 @
 166 text
 167 @d3 1
 168 a3 1
 169 static char ident[] = "@@(#)$Id: pidwait.c,v 1.6 1992/05/19 20:57:43 jromine Exp jromine $";
 170 d9 1
 171 a9 1
 172 #ifdef  BSD42
 173 d36 1
 174 a36 1
 175     pid = waitpid (&status, id, 0);
 176 @
 177
 178
 179 1.6
 180 log
 181 @AIX
 182 @
 183 text
 184 @d3 1
 185 a3 1
 186 static char ident[] = "@@(#)$Id: pidwait.c,v 1.5 1992/01/29 23:57:28 jromine Exp jromine $";
 187 d11 1
 188 a11 1
 189 #endif  BSD42
 190 a19 3
 191 #ifdef _AIX
 192 #undef BSD42
 193 #endif
 194 d35 1
 195 a35 1
 196 #ifdef _AIX
 197 @
 198
 199
 200 1.5
 201 log
 202 @don't ignore HUP or TERM
 203 @
 204 text
 205 @d3 1
 206 a3 1
 207 static char ident[] = "@@(#)$Id: pidwait.c,v 1.4 1990/04/05 15:31:19 sources Exp jromine $";
 208 d20 3
 209 d25 1
 210 a25 1
 211 #else   BSD42
 212 d27 1
 213 a27 1
 214 #endif  BSD42
 215 d38 3
 216 d43 1
 217 d56 1
 218 a56 1
 219 #else   BSD42
 220 d58 1
 221 a58 1
 222 #endif  BSD42
 223 @
 224
 225
 226 1.4
 227 log
 228 @add ID
 229 @
 230 text
 231 @d3 1
 232 a3 1
 233 static char ident[] = "@@(#)$Id:$";
 234 d27 1
 235 d29 2
 236 a32 1
 237         tstat = signal (SIGTERM, SIG_IGN);
 238 d39 1
 239 d41 2
 240 a44 1
 241         (void) signal (SIGTERM, tstat);
 242 @
 243
 244
 245 1.3
 246 log
 247 @add ID
 248 @
 249 text
 250 @d3 1
 251 a3 1
 252 static char ident[] = "$Id:";
 253 @
 254
 255
 256 1.2
 257 log
 258 @*** empty log message ***
 259 @
 260 text
 261 @d2 3
 262 @
 263
 264
 265 1.1
 266 log
 267 @Initial revision
 268 @
 269 text
 270 @d16 1
 271 a16 1
 272     int     (*hstat) (), (*istat) (), (*qstat) (), (*tstat) ();
 273 @