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Match Verilog-Perl: Fix Preproc loop under Perl-Tk, bug913.

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This commit is contained in:
Wilson Snyder 2015-04-28 15:54:34 -04:00
parent 49123f169c
commit 49fa65c0dd
1 changed files with 2 additions and 0 deletions
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2
src/V3File.cpp
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@ -345,6 +345,7 @@ private:
while (!m_readEof && (size<0 || size>sizegot)) {
ssize_t todo = INFILTER_IPC_BUFSIZ;
if (size>0 && size<todo) todo = size;
errno = 0;
ssize_t got = read (fd, buf, todo);
//UINFO(9,"RD GOT g "<< got<<" e "<<errno<<" "<<strerror(errno)<<endl); usleep(50*1000);
if (got>0) {
@ -384,6 +385,7 @@ private:
if (!m_pid) { v3error("--pipe-filter: write to closed file\n"); m_readEof = true; stop(); }
unsigned offset = 0;
while (!m_readEof && out.length()>offset) {
errno = 0;
int got = write (m_writeFd, (out.c_str())+offset, out.length()-offset);
//UINFO(9,"WR GOT g "<< got<<" e "<<errno<<" "<<strerror(errno)<<endl); usleep(50*1000);
if (got>0) offset += got;