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SimRsim.c: removal of pre-POSIX.1-2001 select() interface ifdefs

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POSIX.1-2001 introduced fd_set for use with select() and all current
systems support POSIX.
This commit is contained in:
Darryl L. Miles
2025-10-03 23:42:55 +01:00
parent 0285137ff1
commit 478a02e216
1 changed files with 0 additions and 13 deletions
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sim/SimRsim.c
-13
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@@ -629,11 +629,7 @@ SimFillBuffer(
int charsRead = 0;
char *temp;
int n, nfd;
#if defined(SYSV) || defined(CYGWIN) || defined(__FreeBSD__) || defined(__APPLE__) || defined(EMSCRIPTEN)
fd_set readfds, writefds, exceptfds;
#else
int nr, nex;
#endif /* SYSV */
struct timeval timeout;
@@ -645,10 +641,8 @@ SimFillBuffer(
/* read reply from Rsim */
#if defined(SYSV) || defined(CYGWIN) || defined(__FreeBSD__) || defined(__APPLE__) || defined(EMSCRIPTEN)
FD_ZERO(&readfds);
FD_ZERO(&exceptfds);
#endif /* SYSV */
ASSERT(pipeIn >= 0 && pipeIn < FD_SETSIZE, "pipeIn>=0&&pipeIn<FD_SETSIZE");
if (pipeIn < 0 || pipeIn >= FD_SETSIZE)
@@ -661,18 +655,11 @@ SimFillBuffer(
try_again:
#if defined(SYSV) || defined(CYGWIN) || defined(__FreeBSD__) || defined(__APPLE__) || defined(EMSCRIPTEN)
FD_SET(pipeIn, &readfds);
FD_ZERO(&writefds);
FD_SET(pipeIn, &exceptfds);
n = select(nfd, &readfds, &writefds, &exceptfds, &timeout);
#else /* !SYSV */
nr = nex = 1 << pipeIn;
n = select(nfd, &nr, NULL, &nex, &timeout);
#endif
if (n == 0)
return 0; /* select() timed out */