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* Routines for local rtrace execution |
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*/ |
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|
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#include <signal.h> |
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#include <sys/time.h> |
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#include <string.h> |
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|
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#include "rholo.h" |
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#include "random.h" |
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#include "paths.h" |
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#include "selcall.h" |
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< |
#include <signal.h> |
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< |
#include <sys/time.h> |
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> |
#include "rtprocess.h" |
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|
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#ifndef MAXPROC |
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#define MAXPROC 64 |
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|
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static char pfile[] = TEMPLATE; /* persist file name */ |
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|
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static int rtpd[MAXPROC][3]; /* process descriptors */ |
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static SUBPROC rtpd[MAXPROC]; /* process descriptors */ |
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static float *rtbuf = NULL; /* allocated i/o buffer */ |
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static int maxqlen = 0; /* maximum packets per queue */ |
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|
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} |
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maxqlen = 0; |
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for (nprocs = 0; nprocs < ncprocs; nprocs++) { /* spawn children */ |
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< |
psiz = open_process(rtpd[nprocs], rtargv); |
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> |
psiz = open_process(&rtpd[nprocs], rtargv); |
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if (psiz <= 0) |
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error(SYSTEM, "cannot start rtrace process"); |
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n = psiz/(RPACKSIZ*6*sizeof(float)); |
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/* write out the packet */ |
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packrays(rtbuf, p); |
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if ((n = p->nr) < RPACKSIZ) /* add flush block? */ |
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< |
bzero((char *)(rtbuf+6*n++), 6*sizeof(float)); |
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< |
if (writebuf(rtpd[pn][1], (char *)rtbuf, 6*sizeof(float)*n) < 0) |
140 |
> |
memset((char *)(rtbuf+6*n++), '\0', 6*sizeof(float)); |
141 |
> |
if (writebuf(rtpd[pn].w, (char *)rtbuf, 6*sizeof(float)*n) < 0) |
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error(SYSTEM, "write error in queue_packet"); |
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p->next = NULL; |
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if (!pqlen[pn]++) /* add it to the end of the queue */ |
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FD_ZERO(&readset); FD_ZERO(&errset); n = 0; |
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for (pn = nprocs; pn--; ) { |
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if (pqlen[pn]) |
170 |
< |
FD_SET(rtpd[pn][0], &readset); |
171 |
< |
FD_SET(rtpd[pn][0], &errset); |
172 |
< |
if (rtpd[pn][0] >= n) |
173 |
< |
n = rtpd[pn][0] + 1; |
170 |
> |
FD_SET(rtpd[pn].r, &readset); |
171 |
> |
FD_SET(rtpd[pn].r, &errset); |
172 |
> |
if (rtpd[pn].r >= n) |
173 |
> |
n = rtpd[pn].r + 1; |
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} |
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/* make the call */ |
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n = select(n, &readset, (fd_set *)NULL, &errset, |
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return(NULL); |
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/* make read call(s) */ |
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for (pn = 0; pn < nprocs; pn++) { |
187 |
< |
if (!FD_ISSET(rtpd[pn][0], &readset) && |
188 |
< |
!FD_ISSET(rtpd[pn][0], &errset)) |
187 |
> |
if (!FD_ISSET(rtpd[pn].r, &readset) && |
188 |
> |
!FD_ISSET(rtpd[pn].r, &errset)) |
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continue; |
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reread: |
191 |
< |
n = read(rtpd[pn][0], (char *)rtbuf, |
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> |
n = read(rtpd[pn].r, (char *)rtbuf, |
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4*sizeof(float)*RPACKSIZ*pqlen[pn]); |
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if (n < 0) { |
194 |
< |
if (errno == EINTR | errno == EAGAIN) |
194 |
> |
if ((errno == EINTR) | (errno == EAGAIN)) |
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goto reread; |
196 |
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error(SYSTEM, "read error in get_packets"); |
197 |
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} |
203 |
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nr++; /* add flush block */ |
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n -= 4*sizeof(float)*nr; |
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if (n < 0) { /* get remainder */ |
206 |
< |
n += readbuf(rtpd[pn][0], |
206 |
> |
n += readbuf(rtpd[pn].r, |
207 |
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(char *)(bp+4*nr)+n, -n); |
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if (n) |
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goto eoferr; |
270 |
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if (rpl->nr < RPACKSIZ) |
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nr++; /* add flush block */ |
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} |
273 |
< |
n = readbuf(rtpd[i][0], (char *)rtbuf, |
273 |
> |
n = readbuf(rtpd[i].r, (char *)rtbuf, |
274 |
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4*sizeof(float)*nr); |
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if (n < 0) |
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error(SYSTEM, "read failure in flush_queue"); |
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if (nprocs > 1) |
315 |
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killpersist(); |
316 |
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while (nprocs > 0) { |
317 |
< |
rv = close_process(rtpd[--nprocs]); |
317 |
> |
rv = close_process(&rtpd[--nprocs]); |
318 |
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if (rv > 0) |
319 |
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status = rv; |
320 |
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} |