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Update src/lcpex/liblcpex.cpp

master
Christopher M. Punches 2024-02-08 10:10:28 +00:00
parent 74bce85f1e
commit 96e7cae5df
1 changed files with 23 additions and 2 deletions
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25
src/lcpex/liblcpex.cpp
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@ -1,5 +1,20 @@
#include "liblcpex.h" #include "liblcpex.h"
ssize_t write_all(int fd, const void *buf, size_t count) {
const char *p = (const char *)buf;
while (count > 0) {
ssize_t written = write(fd, p, count);
if (written == -1) {
if (errno == EINTR || errno == EAGAIN) continue; // Retry
return -1; // Other errors
}
count -= written;
p += written;
}
return 0;
}
std::string prefix_generator( std::string prefix_generator(
std::string command, std::string command,
bool is_shell_command, bool is_shell_command,
@ -325,8 +340,14 @@ int execute(
waitpid(pid, &status, 0); waitpid(pid, &status, 0);
// Drain the pipes before exiting // Drain the pipes before exiting
while (read_from_pipe(fd_child_stdout_pipe[READ_END], buf, BUFFER_SIZE) > 0); while ((byte_count = read(fd_child_stdout_pipe[READ_END], buf, BUFFER_SIZE)) > 0) {
while (read_from_pipe(fd_child_stderr_pipe[READ_END], buf, BUFFER_SIZE) > 0); write_all(stdout_log_fh->_fileno, buf, byte_count);
write_all(STDOUT_FILENO, buf, byte_count);
}
while ((byte_count = read(fd_child_stderr_pipe[READ_END], buf, BUFFER_SIZE)) > 0) {
write_all(stderr_log_fh->_fileno, buf, byte_count);
write_all(STDERR_FILENO, buf, byte_count);
}
if WIFEXITED(status) { if WIFEXITED(status) {
return WEXITSTATUS(status); return WEXITSTATUS(status);