diff options
Diffstat (limited to 'threadproc/os2/proc.c')
-rw-r--r-- | threadproc/os2/proc.c | 240 |
1 files changed, 138 insertions, 102 deletions
diff --git a/threadproc/os2/proc.c b/threadproc/os2/proc.c index 20dfffb8b..9fd9a5f50 100644 --- a/threadproc/os2/proc.c +++ b/threadproc/os2/proc.c @@ -34,6 +34,11 @@ #include <process.h> #include <stdlib.h> +/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE + * requested for a specific child handle; + */ +static apr_file_t no_file = { NULL, -1, }; + APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new, apr_pool_t *pool) { (*new) = (apr_procattr_t *)apr_palloc(pool, @@ -55,118 +60,139 @@ APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new, apr_pool_t * return APR_SUCCESS; } -APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr, apr_int32_t in, - apr_int32_t out, apr_int32_t err) +APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr, + apr_int32_t in, + apr_int32_t out, + apr_int32_t err) { - apr_status_t stat; - if (in) { - if ((stat = apr_file_pipe_create(&attr->child_in, &attr->parent_in, - attr->pool)) != APR_SUCCESS) { - return stat; - } - switch (in) { - case APR_FULL_BLOCK: - break; - case APR_PARENT_BLOCK: - apr_file_pipe_timeout_set(attr->child_in, 0); - break; - case APR_CHILD_BLOCK: - apr_file_pipe_timeout_set(attr->parent_in, 0); - break; - default: - apr_file_pipe_timeout_set(attr->child_in, 0); - apr_file_pipe_timeout_set(attr->parent_in, 0); - } - } - if (out) { - if ((stat = apr_file_pipe_create(&attr->parent_out, &attr->child_out, - attr->pool)) != APR_SUCCESS) { - return stat; - } - switch (out) { - case APR_FULL_BLOCK: - break; - case APR_PARENT_BLOCK: - apr_file_pipe_timeout_set(attr->child_out, 0); - break; - case APR_CHILD_BLOCK: - apr_file_pipe_timeout_set(attr->parent_out, 0); - break; - default: - apr_file_pipe_timeout_set(attr->child_out, 0); - apr_file_pipe_timeout_set(attr->parent_out, 0); - } - } - if (err) { - if ((stat = apr_file_pipe_create(&attr->parent_err, &attr->child_err, - attr->pool)) != APR_SUCCESS) { - return stat; - } - switch (err) { - case APR_FULL_BLOCK: - break; - case APR_PARENT_BLOCK: - apr_file_pipe_timeout_set(attr->child_err, 0); - break; - case APR_CHILD_BLOCK: - apr_file_pipe_timeout_set(attr->parent_err, 0); - break; - default: - apr_file_pipe_timeout_set(attr->child_err, 0); - apr_file_pipe_timeout_set(attr->parent_err, 0); - } - } + apr_status_t rv; + + if ((in != APR_NO_PIPE) && (in != APR_NO_FILE)) { + /* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while + * APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose + * the CHILD/PARENT blocking flags for the stdin pipe. + * stdout/stderr map to the correct mode by default. + */ + if (in == APR_CHILD_BLOCK) + in = APR_READ_BLOCK; + else if (in == APR_PARENT_BLOCK) + in = APR_WRITE_BLOCK; + + if ((rv = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in, + in, attr->pool)) == APR_SUCCESS) + rv = apr_file_inherit_unset(attr->parent_in); + if (rv != APR_SUCCESS) + return rv; + } + else if (in == APR_NO_FILE) + attr->child_in = &no_file; + + if ((out != APR_NO_PIPE) && (out != APR_NO_FILE)) { + if ((rv = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out, + out, attr->pool)) == APR_SUCCESS) + rv = apr_file_inherit_unset(attr->parent_out); + if (rv != APR_SUCCESS) + return rv; + } + else if (out == APR_NO_FILE) + attr->child_out = &no_file; + + if ((err != APR_NO_PIPE) && (err != APR_NO_FILE)) { + if ((rv = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err, + err, attr->pool)) != APR_SUCCESS) + rv = apr_file_inherit_unset(attr->parent_err); + if (rv != APR_SUCCESS) + return rv; + } + else if (err == APR_NO_FILE) + attr->child_err = &no_file; + return APR_SUCCESS; } APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, apr_file_t *child_in, - apr_file_t *parent_in) + apr_file_t *parent_in) { - if (attr->child_in == NULL && attr->parent_in == NULL) - apr_file_pipe_create(&attr->child_in, &attr->parent_in, attr->pool); - - if (child_in != NULL) - apr_file_dup(&attr->child_in, child_in, attr->pool); + apr_status_t rv; + + if (attr->child_in == NULL && attr->parent_in == NULL + && child_in == NULL && parent_in == NULL) + if ((rv = apr_file_pipe_create(&attr->child_in, &attr->parent_in, + attr->pool)) == APR_SUCCESS) + rv = apr_file_inherit_unset(attr->parent_in); + + if (child_in != NULL && rv == APR_SUCCESS) { + if (attr->child_in && (attr->child_in->filedes != -1)) + rv = apr_file_dup2(attr->child_in, child_in, attr->pool); + else { + attr->child_in = NULL; + if ((rv = apr_file_dup(&attr->child_in, child_in, attr->pool)) + == APR_SUCCESS) + rv = apr_file_inherit_set(attr->child_in); + } - if (parent_in != NULL) - apr_file_dup(&attr->parent_in, parent_in, attr->pool); + if (parent_in != NULL && rv == APR_SUCCESS) { + rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool); - return APR_SUCCESS; + return rv; } - APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr, apr_file_t *child_out, apr_file_t *parent_out) { - if (attr->child_out == NULL && attr->parent_out == NULL) - apr_file_pipe_create(&attr->child_out, &attr->parent_out, attr->pool); - - if (child_out != NULL) - apr_file_dup(&attr->child_out, child_out, attr->pool); - - if (parent_out != NULL) - apr_file_dup(&attr->parent_out, parent_out, attr->pool); + apr_status_t rv; + + if (attr->child_out == NULL && attr->parent_out == NULL + && child_out == NULL && parent_out == NULL) + if ((rv = apr_file_pipe_create(&attr->parent_out, &attr->child_out, + attr->pool)) == APR_SUCCESS) + rv = apr_file_inherit_unset(attr->parent_out); + + if (child_out != NULL && rv == APR_SUCCESS) { + if (attr->child_out && (attr->child_out->filedes != -1)) + rv = apr_file_dup2(attr->child_out, child_out, attr->pool); + else { + attr->child_out = NULL; + if ((rv = apr_file_dup(&attr->child_out, child_out, attr->pool)) + == APR_SUCCESS) + rv = apr_file_inherit_set(attr->child_out); + } + } + + if (parent_out != NULL && rv == APR_SUCCESS) { + rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool); - return APR_SUCCESS; + return rv; } - APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr, apr_file_t *child_err, apr_file_t *parent_err) { - if (attr->child_err == NULL && attr->parent_err == NULL) - apr_file_pipe_create(&attr->child_err, &attr->parent_err, attr->pool); - - if (child_err != NULL) - apr_file_dup(&attr->child_err, child_err, attr->pool); - - if (parent_err != NULL) - apr_file_dup(&attr->parent_err, parent_err, attr->pool); + apr_status_t rv; + + if (attr->child_err == NULL && attr->parent_err == NULL + && child_err == NULL && parent_err == NULL) + if ((rv = apr_file_pipe_create(&attr->parent_err, &attr->child_err, + attr->pool)) == APR_SUCCESS) + rv = apr_file_inherit_unset(attr->parent_err); + + if (child_err != NULL && rv == APR_SUCCESS) { + if (attr->child_err && (attr->child_err->filedes != -1)) + rv = apr_file_dup2(attr->child_err, child_err, attr->pool); + else { + attr->child_err = NULL; + if ((rv = apr_file_dup(&attr->child_err, child_err, attr->pool)) + == APR_SUCCESS) + rv = apr_file_inherit_set(attr->child_err); + } + } + + if (parent_err != NULL && rv == APR_SUCCESS) { + rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool); - return APR_SUCCESS; + return rv; } - APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr, const char *dir) { attr->currdir = apr_pstrdup(attr->pool, dir); @@ -284,6 +310,10 @@ APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *proc, const char *progname char *env_block, *env_block_pos; RESULTCODES rescodes; + proc->in = attr->parent_in; + proc->err = attr->parent_err; + proc->out = attr->parent_out; + /* Prevent other threads from running while these process-wide resources are modified */ if (attr->child_in || attr->child_out || attr->child_err || attr->currdir) { criticalsection = TRUE; @@ -294,24 +324,30 @@ APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *proc, const char *progname save_in = -1; DosDupHandle(STDIN_FILENO, &save_in); dup = STDIN_FILENO; - DosDupHandle(attr->child_in->filedes, &dup); - DosSetFHState(attr->parent_in->filedes, OPEN_FLAGS_NOINHERIT); + if (attr->child_in->filedes == -1) + DosClose(dup); + else + DosDupHandle(attr->child_in->filedes, &dup); } if (attr->child_out) { save_out = -1; DosDupHandle(STDOUT_FILENO, &save_out); dup = STDOUT_FILENO; - DosDupHandle(attr->child_out->filedes, &dup); - DosSetFHState(attr->parent_out->filedes, OPEN_FLAGS_NOINHERIT); + if (attr->child_out->filedes == -1) + DosClose(dup); + else + DosDupHandle(attr->child_out->filedes, &dup); } if (attr->child_err) { save_err = -1; DosDupHandle(STDERR_FILENO, &save_err); dup = STDERR_FILENO; - DosDupHandle(attr->child_err->filedes, &dup); - DosSetFHState(attr->parent_err->filedes, OPEN_FLAGS_NOINHERIT); + if (attr->child_err->filedes == -1) + DosClose(dup); + else + DosDupHandle(attr->child_err->filedes, &dup); } apr_signal(SIGCHLD, SIG_DFL); /*not sure if this is needed or not */ @@ -464,21 +500,24 @@ APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *proc, const char *progname } if (attr->child_in) { - apr_file_close(attr->child_in); + (attr->child_in->filedes != -1) + apr_file_close(attr->child_in); dup = STDIN_FILENO; DosDupHandle(save_in, &dup); DosClose(save_in); } if (attr->child_out) { - apr_file_close(attr->child_out); + (attr->child_err->filedes != -1) + apr_file_close(attr->child_out); dup = STDOUT_FILENO; DosDupHandle(save_out, &dup); DosClose(save_out); } if (attr->child_err) { - apr_file_close(attr->child_err); + (attr->child_err->filedes != -1) + apr_file_close(attr->child_err); dup = STDERR_FILENO; DosDupHandle(save_err, &dup); DosClose(save_err); @@ -487,9 +526,6 @@ APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *proc, const char *progname if (criticalsection) DosExitCritSec(); - proc->in = attr->parent_in; - proc->err = attr->parent_err; - proc->out = attr->parent_out; return status; } |