Gonzalo Rodriguez Fernandez / gammalib

Commit f5b90eec8f7b481962ed835a7b4f08f418fe26db

Authored by Jürgen Knödlseder
1 parent 3411dd6b

Make GFilename::is_fits thread safe (#1717).

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Showing 3 changed files with 18 additions and 9 deletions
ChangeLog
  View file @f5b90ee
1   -2016-02-25 Juergen Knoedlseder <jurgen.knodlseder@irap.omp.eu>
  1 +2016-02-28 Juergen Knoedlseder <jurgen.knodlseder@irap.omp.eu>
2 2  
3 3 * Version 1.1.0 released
4 4 =========================
5 5  
  6 + Make GFilename::is_fits thread safe (#1717).
6 7 Revise GTime operators (#1714)
7 8 Add GSkyMap::publish() method to publish map on VO Hub (#1710)
8 9 Add GVOClient::publish() method to publish a FITS HDU (#1710)
... ...
... ... @@ -2,7 +2,7 @@ New Features and Important Changes in GammaLib 1.1.0
2 2  
3 3 Author(s) : Juergen Knoedlseder
4 4  
5   -25 February 2016
  5 +28 February 2016
6 6  
7 7  
8 8 1. Introduction
... ... @@ -196,6 +196,9 @@ the access protocol (e.g. http, ftp, file) of the file name, the method
196 196 path() returns the path of th file name, and the method file() returns the
197 197 file name without the path.
198 198  
  199 +Put FITS access in a critical OMP zone to make GFilename::is_fits() thread
  200 +safe (#1717).
  201 +
199 202  
200 203 14. XML module
201 204 --------------
... ...
src/support/GFilename.cpp
  View file @f5b90ee
... ... @@ -253,7 +253,7 @@ bool GFilename::exists(void) const
253 253 * @return True if file is a FITS file.
254 254 *
255 255 * Test if the file or a compressed version of the file (with a .gz, .Z, .z,
256   - * or .zip extension) is a FITS file.
  256 + * or .zip extension) is a FITS file. This method is thread safe.
257 257 ***************************************************************************/
258 258 bool GFilename::is_fits(void) const
259 259 {
... ... @@ -261,14 +261,19 @@ bool GFilename::is_fits(void) const
261 261 bool is_fits = false;
262 262  
263 263 // Check now for a FITS file. This works only if cfitsio is available.
  264 + // Put the code into a critical zone as it might be called from within
  265 + // a parallelized thread.
264 266 #if defined(HAVE_LIBCFITSIO)
265   - int status = 0;
266   - fitsfile* fptr = NULL;
267   - status = ffopen(&fptr, url().c_str(), 0, &status);
268   - if (status == 0) {
269   - is_fits = true;
  267 + #pragma omp critical
  268 + {
  269 + int status = 0;
  270 + fitsfile* fptr = NULL;
  271 + status = ffopen(&fptr, url().c_str(), 0, &status);
  272 + if (status == 0) {
  273 + is_fits = true;
  274 + }
  275 + ffclos(fptr, &status);
270 276 }
271   - ffclos(fptr, &status);
272 277 #endif
273 278  
274 279 // Return result
... ...