diff options
Diffstat (limited to 'crypto/async/arch/async_posix.c')
| -rw-r--r-- | crypto/async/arch/async_posix.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/crypto/async/arch/async_posix.c b/crypto/async/arch/async_posix.c index 2d9e5102fc..33f2a3fa1e 100644 --- a/crypto/async/arch/async_posix.c +++ b/crypto/async/arch/async_posix.c @@ -62,7 +62,13 @@ int ASYNC_is_capable(void) { - return 1; + ucontext_t ctx; + + /* + * Some platforms provide getcontext() but it does not work (notably + * MacOSX PPC64). Check for a working getcontext(); + */ + return getcontext(&ctx) == 0; } void async_local_cleanup(void) |