cleanup: spelling fixes in comments

[lttng-ust.git] / src / lib / lttng-ust / lttng-ust-comm.c

diff --git a/src/lib/lttng-ust/lttng-ust-comm.c b/src/lib/lttng-ust/lttng-ust-comm.c
index 2c902dc2737e922204628293e806306fa08e174a..2738959f1e29198d2d2f62bc13d68fb71e5fead6 100644 (file)
--- a/src/lib/lttng-ust/lttng-ust-comm.c
+++ b/src/lib/lttng-ust/lttng-ust-comm.c
@@ -2125,6 +2125,10 @@ void lttng_ust_check_soname_0(void)
  * Expose a canary symbol of the previous ABI to ensure we catch uses of a
  * liblttng-ust.so.0 dlopen'd after .so.1 has been loaded. Use a different
  * symbol than the detection code to ensure we don't detect ourself.
+ *
+ * This scheme will only work on systems where the global symbol table has
+ * priority when resolving the symbols of a dlopened shared object, which is
+ * the case on Linux but not on FreeBSD.
  */
 void init_usterr(void);
 void init_usterr(void)
@@ -2179,7 +2183,7 @@ void lttng_ust_ctor(void)
         * this library so it never becomes zero, thus never gets unloaded from the
         * address space of the process. Since we are already running in the
         * constructor of the LTTNG_UST_LIB_SONAME library, calling dlopen will
-        * simply increment the refcount and no additionnal work is needed by the
+        * simply increment the refcount and no additional work is needed by the
         * dynamic loader as the shared library is already loaded in the address
         * space. As a safe guard, we use the RTLD_NODELETE flag to prevent
         * unloading of the UST library if its refcount becomes zero (which should
@@ -2516,7 +2520,7 @@ void lttng_ust_after_fork_parent(sigset_t *restore_sigset)
                return;
        DBG("process %d", getpid());
        lttng_ust_urcu_after_fork_parent();
-       /* Release mutexes and reenable signals */
+       /* Release mutexes and re-enable signals */
        ust_after_fork_common(restore_sigset);
 }
 
@@ -2543,7 +2547,7 @@ void lttng_ust_after_fork_child(sigset_t *restore_sigset)
        /* Release urcu mutexes */
        lttng_ust_urcu_after_fork_child();
        lttng_ust_cleanup(0);
-       /* Release mutexes and reenable signals */
+       /* Release mutexes and re-enable signals */
        ust_after_fork_common(restore_sigset);
        lttng_ust_ctor();
 }