tryExec() — netty Function Reference

Architecture documentation for the tryExec() function in NativeLibraryLoader.java from the netty codebase.

Function java CommonUtil Internal called by 1

Entity Profile

CommonUtil→ Internal→ tryExec() — netty Function Reference

Dependency Diagram

graph TD
  b8b7f986_a84f_3a12_d53b_c975f0075ed2["tryExec()"]
  e940cc67_3be6_5ff3_e560_4d68972dc13b["NativeLibraryLoader"]
  b8b7f986_a84f_3a12_d53b_c975f0075ed2 -->|defined in| e940cc67_3be6_5ff3_e560_4d68972dc13b
  718b0b6c_05e8_e851_bc3f_0a119eac5245["tryPatchShadedLibraryIdAndSign()"]
  718b0b6c_05e8_e851_bc3f_0a119eac5245 -->|calls| b8b7f986_a84f_3a12_d53b_c975f0075ed2
  style b8b7f986_a84f_3a12_d53b_c975f0075ed2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

common/src/main/java/io/netty/util/internal/NativeLibraryLoader.java lines 342–359

    private static boolean tryExec(String cmd) {
        try {
            int exitValue = Runtime.getRuntime().exec(cmd).waitFor();
            if (exitValue != 0) {
                logger.debug("Execution of '{}' failed: {}", cmd, exitValue);
                return false;
            }
            logger.debug("Execution of '{}' succeed: {}", cmd, exitValue);
            return true;
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        } catch (IOException e) {
            logger.info("Execution of '{}' failed.", cmd, e);
        } catch (SecurityException e) {
            logger.error("Execution of '{}' failed.", cmd, e);
        }
        return false;
    }